StudiO 310 -- dAy Nite 1

StudiO 310 -- dAy Nite 1

Train No.	Train Name	Origin	Dep.Time	Destination	Arr.Time	Days Of Run							Classes
						M	T	W	T	F	S	S	1A	2A	FC	3A	CC	SL	2S
2004	LKO SWRAN SHTBD	NEW DELHI	06:15	LUCKNOW	12:30	Y	N	Y	Y	Y	Y	Y		-	-	-		-	-
2036	LUCKNOW SHTBDI	NEW DELHI	06:15	LUCKNOW	12:30	N	Y	N	N	N	N	N		-	-	-		-	-
2204A	SHC GARIB RATH	*NEW DELHI	23:40	LUCKNOW	07:45	N	N	Y	N	N	N	Y	-	-	-			-	-
2226	KAIFIYAT EXP	DELHI	19:25	LUCKNOW	03:15	Y	Y	Y	Y	Y	Y	Y			-		-		-
2230	LUCKNOW MAIL	NEW DELHI	22:00	LUCKNOW	06:50	Y	Y	Y	Y	Y	Y	Y			-		-		-
2392	SHRAMJEVI N EXP	NEW DELHI	13:15	LUCKNOW	21:15	Y	Y	Y	Y	Y	Y	Y			-		-		-
2420	GOMTI EXPRESS	NEW DELHI	14:20	LUCKNOW	22:50	Y	Y	Y	Y	Y	Y	N			-	-		-
2436	NDLS DBRT RJDHN	NEW DELHI	09:30	LUCKNOW	17:30	N	N	N	Y	N	N	Y			-		-	-	-
2554	VAISHALI EXP	NEW DELHI	19:50	LUCKNOW	03:50	Y	Y	Y	Y	Y	Y	Y			-		-		-
2556	GORAKDAM EXPRES	*NEW DELHI	20:20	LUCKNOW	04:50	Y	Y	Y	Y	Y	Y	Y	-		-		-		-
2558	SAPT KRANTI EXP	*NEW DELHI	17:20	LUCKNOW	01:15	Y	Y	Y	Y	Y	Y	Y			-		-		-
2566	BIHAR S KRANTI	NEW DELHI	14:40	LUCKNOW	22:40	Y	Y	Y	Y	Y	Y	Y			-		-		-
2876	NEELACHAL EXP	NEW DELHI	06:30	LUCKNOW	14:15	N	Y	N	N	Y	N	Y	-		-		-		-
3414	FARKKA EXPRESS	DELHI	21:45	LUCKNOW	07:15	Y	N	Y	N	N	Y	N	-		-		-		-
3484	FARAKKA EXPRESS	DELHI	21:45	LUCKNOW	07:15	N	Y	N	Y	Y	N	Y	-		-		-		-
4008	SADHBHAWNA EXP	DELHI	16:35	LUCKNOW	03:25	N	Y	N	Y	N	N	N	-	-	-		-		-
4014	SULTANPUR EXP	DELHI	16:35	LUCKNOW	03:25	Y	N	N	N	N	Y	N	-	-	-		-		-
4016	SADHBHAWNA EXP	DELHI	16:35	LUCKNOW	03:25	N	N	N	N	Y	N	Y	-	-	-		-		-
4018	SADBHAVNA EXP	DELHI	16:35	LUCKNOW	03:25	N	N	Y	N	N	N	N	-	-	-		-		-
4206	DLI FD EXP	DELHI	19:55	LUCKNOW	04:20	N	N	Y	N	N	N	Y	-	-	-		-		-
4208	DLI RBL EXP	DELHI	19:55	LUCKNOW	04:20	Y	N	N	Y	N	Y	N	-		-		-		-
4258	KASHI V EXPRESS	NEW DELHI	13:30	LUCKNOW	23:00	Y	Y	Y	Y	Y	Y	Y			-		-		-
4650	SARYUYAMUNA EXP	*SUBZI MANDI	20:12	LUCKNOW	06:10	Y	N	Y	N	N	Y	N	-		-		-		-
4674	SHAHEED EXP	*SUBZI MANDI	20:12	LUCKNOW	06:10	N	Y	N	Y	Y	N	Y	-		-		-		-
5610	+AVADH ASSAM EXP	*DELHI	08:25	LUCKNOW	17:45	Y	Y	Y	Y	Y	Y	Y	-		-		-		-
5708	ASR KIR EXPRESS	*SUBZI MANDI	14:50	LUCKNOW	00:30	Y	Y	Y	Y	Y	Y	Y	-		-		-		-
5716	GARIB NAWAJ EXP	*DELHI CANTT	19:31	LUCKNOW	05:35	N	Y	N	N	N	N	N	-	-	-		-		-
9269	PBR MOTIHARI EX	*DELHI CANTT	19:31	LUCKNOW	06:25	N	N	N	N	N	Y	N			-		-		-

You Queried For

Train No	Train Name	Date	Runs From Source	Runs On
2627	KARNATAKA EXP	16/12/2006	BANGALORE CY JN	MON	TUE	WED	THU	FRI	SAT	SUN

SNo	Stn Code	Stn Name	Route No.	Arrival Time	Dep. Time	Distance	Day	Remark
1	SBC	BANGALORE CY JN	1	Source	19:20	0	1
2	BNC	BANGALORE CANT	1	19:30	19:35	5	1
3	YNK	YELHANKA JN	1	20:03	20:05	32	1
4	HUP	HINDUPUR	1	21:18	21:20	137	1
5	SSPN	SAI P NILAYAM	1	22:05	22:10	211	1
6	DMM	DHARMAVARAM JN	1	22:55	23:00	252	1
7	ATP	ANANTAPUR	1	23:33	23:35	286	1
8	GY	GOOTY	1	00:28	00:30	343	2
9	GTL	GUNTAKAL JN	1	01:00	01:05	371	2
10	AD	ADONI	1	01:49	01:50	423	2
11	RC	RAICHUR	1	03:09	03:10	492	2
12	WADI	WADI	1	05:00	05:10	600	2
13	GR	GULBARGA	1	05:48	05:50	637	2
14	SUR	SOLAPUR JN	1	07:40	07:50	749	2
15	KWV	KURDUVADI	1	08:58	09:00	828	2
16	DD	DAUND JN	1	10:35	10:40	937	2
17	ANG	AHMADNAGAR	1	11:57	12:00	1021	2
18	KPG	KOPARGAON	1	13:44	13:45	1132	2
19	MMR	MANMAD JN	1	14:55	15:00	1174	2
20	JL	JALGAON JN	1	17:04	17:05	1334	2
21	BSL	BHUSAVAL JN	1	17:30	17:35	1358	2
22	BAU	BURHANPUR	1	18:23	18:25	1412	2
23	KNW	KHANDWA	1	19:40	19:45	1481	2
24	ET	ITARSI JN	1	22:05	22:15	1665	2
25	BPL	BHOPAL JN	1	23:52	23:57	1756	3
26	BINA	BINA JN	1	01:55	01:57	1895	3
27	JHS	JHANSI JN	1	03:33	03:45	2047	3
28	GWL	GWALIOR	1	05:01	05:03	2144	3
29	AGC	AGRA CANTT	1	06:43	06:45	2263	3
30	MTJ	MATHURA JN	1	07:35	07:37	2317	3
31	NZM	H NIZAMUDDIN	1	10:06	10:08	2450	3
32	NDLS	NEW DELHI	1	10:35	00:00	2457	3

Correcting for an incomplete radius cut

When cutting a full ball end, if your first attempt measures undersize, you will have to scrap out the part and start over. That is why I suggest you start with what you know will be a slightly oversize cut. Once you are near the final size, here is how to adjust the cutting tool depth to get the exact size:

1. Measure the diameter of the ball you have cut. You can't reset the tool until you know the diameter it is actually cutting.

2. If, for example, the ball is 0.010" oversize, the tool must be moved in the cutter body 0.005" (half the desired distance) closer to the part. To do this, first record the leadscrew handwheel setting with the backlash taken up in the cclockwise direction and the tool touching the end of the center of the part. This should be done right after your last cut was made so you know the tool is just touching the part.* Now use the leadscrew handwheel to back the saddle/radius cutter assembly up more than the correction needed. Turn the handwheel clockwise again with the difference calculated in. The tool should now be .005" from the part. Loosen the set screws holding the tool in the body and move the tool until it just touches the part*. Tighten the set screws and make your final cut.

*NOTE: Whenever you move a tool up to touch a part to set its position, don't push it into the part. Make sure it barely touches. Pushing a tool into a part will cause it to take an extra couple of thousandths off on the next cut, and your part will come out undersize.

Cutting a concave radius

Full convex radii are easy to measure because you can use a caliper or micrometer. A concave radius is more difficult to measure. It is better to spend the time accurately clamping the tool using a height gage than trying to check your radius with a template you can't view accurately. Some things in machining have to be controlled with the setup rather than with an inspection method and this is one of them. Concaves up to about a 3" radius can be cut. (See Figures 4 and 5.) Remember that when the cutting tool is extended a long way from the support of the yoke, it can be more difficult to control. Lighter cuts must be taken to achieve a good finish and accurate size but the tool should be controlled in a positive manner. Don't let the tool set on the part without cutting. Use the various pivot holes to try to keep the point of the tool as close to the yoke as possible to maximize the rigidity of your setup.

When cutting a concave radius you will use the holes nearer the center or short end of the yoke. For smaller radii, the cutting tool points into the "U" of the yoke. For larger radii the tool can be reversed and pointed toward the outside of the "U". In deciding which center hole to use it will help you to know that the center pivot hole is centered on the inside surface of the "U" and that the pivot holes are located on .250" centers.

Here is a simple formula that can also be useful when working with concave shapes:

r = (c2 + 4h2) ÷ 8h

where r = radius, c = diameter of pocket and h = height (depth of pocket)

FIGURE 6-Measure the diameter of your pocket to obtain dimension "c". Then measure the depth of your cut with a depth micrometer or with the depth rod of your caliper against a straight edge to obtain dimension "h". You now have the dimensions you need to accurately calculate the radius you have cut. The radius can be calculated to the same level of accuracy as your measuring technique.

Making a complete ball

Using the radius cutter you can cut past the vertical point to make more than a half of a circle. However, because the cutter body will eventually hit the chuck, steady rest or some other part of your setup, you cannot cut a complete ball. (This is a problem for conventional horizontal-swing radius cutters too.) You can still make a complete ball using this tool, but you will have to do it in two steps.

First, turn half or a little more than half of the ball to the final radius and cut it off leaving enough material to form the opposite side. Make a mandrel with a diameter about 2/3 of the final diameter of the ball. Cut an angle into the face that will allow the completed half to be centered on the mandrel and epoxied to it. After the epoxy has hardened the ball can be completed with light cuts. Once finished, the ball is broken off the mandrel. By measuring the part with the anvil of the micrometer on the previously machined surface and the spindle of the micrometer on the surface you just machined the completed dimension should be equal to the diameter. A ball should always measure the same in any direction.

FIGURE 7-Cutting a complete ball using epoxy to attach the ball to a mandrel to complete the second half of the ball. A) Turn a little more than half the ball. B) Part off the piece leaving enough to complete the ball. C) Epoxy the piece into a mandrel with a tapered depression. D) Complete the ball using light cuts. Measure across the first and second turned portions of the ball to confirm the diameter.

Another method would be to center drill, drill and tap a hole in the end of the half-completed ball. Using a cutoff tool, part off the piece from the stock leaving sufficient material to complete the ball. Make a mandrel with a threaded stud centered on the end and screw your part onto it. Place the mandrel in the chuck and use the radius cutting setup you used to make the first half to complete the rest of the ball.

FIGURE 8-Using a threaded stud in the mandrel to hold the ball for the second operation. A) Center drill the end and tap hole, then turn first half of ball. B) Part off. C) Attach part to threaded stud in mandrel. D) Turn final half of ball using light cuts and measure to confirm diameter.

The radius cutting attachment further extends the capabilities of your Sherline machine shop. With it you can apply a professional touch to your parts that would be difficult or impossible any other way. Though I have shown just a few examples here, I think you will find that, with a little imagination, there are many more ways it can be used.

-Joe Martin, President and Owner
SHERLINE Products

EXPLODED VIEW AND PART NUMBERS

Radius Cutting Attachment Parts List

NO. REQ.	PART NO.	DESCRIPTION
1	11971	1/4" Cutting tool
1	2210	Radius cutter body
1	22110	Radius cutter support (left)
1	22111	Radius cutter support (right)
2	2212	Radius cutter pivot pin
2	30561	10-32 T-Nut
6	3108	10-32 x 3/8" cone point set screw
1	3210	10-32 hex nut
1	3562	10-32 x 7/16" SHCS
1	4069	10-32 x 3/4" SHCS
1	4274	10-32 x 7/8" SHCS
1	4206	Plastic handwheel handle

Quick-Change Toolpost and Tool Holders

P/N 2250 (and 2295)

---

Purpose of the quick-change toolpost

In a modern production machine shop, time is money, so being able to change tools quickly on a lathe becomes an economic necessity. Years ago a dovetailed holder and cam locking arrangement was developed to make it possible to quickly change tools while leaving the body of the tool holder mounted to the table. For most users of tabletop size machine tools, however, the economic factor is not the prime reason for going to a quick-change tool system. Being able to change tools quickly simply means more time is spent doing the productive part of the job and less time is wasted changing tools.

Construction of the quick-change tool post and holders

The tool post body and holders are machined from steel, case hardened and coated with a black oxide finish. This provides a very durable product that should provide generations of service if cared for. Two dovetails are provided on the tool post so holders can be mounted in a choice of positions. The individual holders are locked in place with a cam against a dovetailed slide that is tightened using the same hex key used for many other Sherline operations.

Mounting the tool post and changing holders

FIGURE 1-The 1/4" cutting tool can be mounted in either position. Shown above (left) is the position for cutting and (middle) is the position for facing off a part. The right hand drawing shows the boring tool in position to bore the end of a piece of stock.

The tool post is mounted to the lathe table using the same T-nut arrangement as the standard Sherline tool post. A secondary clamp is also provided and may be used to insure the tool post doesn't move. The horizontal flange of the angle clamp goes in the groove around the base of the tool post. The tool holder is then slipped over the appropriate dovetail on the tool post. The height of the tool tip is adjusted using the knurled handwheel. The cutting tip of the tool should be set to the centerline of the lathe by bringing the tool tip up to a Morse dead center in either the headstock or tailstock spindle. Once the height is set, lock the knurled wheel in position with the hex nut. The holder can now be removed and replaced and the tool will remain at the proper height.

The boring tool holder

The boring tool holder will accept any boring tool with a 3/8" shank. This includes the 3/8" boring tools (P/N 3061and 3063) used with the P/N 3054 Sherline boring head. A variety of boring tool sets are available that would also fit the holder. These can be obtained from independent tool supply companies. It is a good idea to grind a small flat for the clamping screw to locate on. It isn't necessary to clamp all four screws to hold the tool. One or two will be sufficient. The additional screws are there to clamp a tool when the holder is used on the other dovetail.

Using a parting tool

After completing a part in the lathe it is frequently necessary to separate the part from the excess material used for chucking. This operation is best accomplished with the use of a cut-off tool or "parting tool" as it is sometimes called. The Sherline cut-off tool and holder utilizes of a very slender high-speed tool steel cutting blade mounted in a special tool holder. The thinness of the blade (.040") enables it to feed into the part quite easily and at the same time minimizes the amount of waste material. If a non-Sherline blade is used, it is recommended that the thickness not exceed 1/16". The turning speed for parting should be approximately one-half the normal turning speed for any given material. One word of caution; never use a parting tool on a part mounted between centers. The part may bind on the cutter and result in a scrapped part or a broken cutting tool.

FIGURE 2-The cutoff tool or "parting" tool is held as shown. The height of the cutting tip of the blade should be adjusted using the height adjustment wheel until it is exactly on center with the spindle.

Always try to lay work out so the cut-off tool is used as close to the spindle as possible. Set blade height using the adjustment wheel on the toolholder. It should be set so the tip is aligned with the centerline of the part being cut.

NOTE: ALWAYS USE CUTTING OIL WHEN USING THE CUT-OFF TOOL. The cut will be made much smoother, easier and cooler.

Speed should be slower than normal turning speed and feed rate should be a little heavy so the chip will not break up in the slot. If speed and feed are correct, there will not be any chatter, and the chip will come out as if it were being unrolled. Coolant (cutting oil) plays a major roll in this occurring properly.

If the tool chatters, first check to see if the work is being held properly. Then decrease speed (RPM) or increase feed rate or both. Once the blade has chattered, it leaves a serrated finish that causes more chatter. Sometimes a serrated finish can be eliminated by turning the spindle off, adding a liberal amount of cutting oil, bringing the blade up so there is a slight pressure on it without the spindle turning, and then turning by hand or as slowly as possible with the speed control.

Sharpening Instructions

To sharpen the Sherline blade, use the tool support on the grinder set in such a way that it will produce a 7° to 10° angle on the blade (top to bottom). (See Figure 3.)

FIGURE 3-Side view of the Sherline cut-off blade

FIGURE 4-Top view of blade (enlarged) when ground for "parting off".

If you are sharpening the blade to "part off", the blade should have an additional angle of approximately 5° when viewed from the top with the point on the right. (See Figure 4.) Normally the angle would be as high as 15° but the .040" thickness of the blade would not be rigid enough and the blade could bend. If you want to cut grooves, don't put any angle on the blade when seen from the top.

If the cutting edges on the sides get dull, grind off the end of the blade until you get into new material where the edges are sharp to the cutting end. New blades are available as P/N 3086 from Sherline Products for  <font color="#ff0000"><h1 align="center">Quick-Change Toolpost and Tool Holders</h1> </font> <h2 align="center">P/N 2250 (and 2295)</h2>  <hr size="4"> <font color="#0000ff"><h2 align="center">Purpose of the quick-change toolpost </h2> </font> <p>In a modern production machine shop, time is money, so being able to change tools quickly on a lathe becomes an economic necessity. Years ago a dovetailed holder and cam locking arrangement was developed to make it possible to quickly change tools while leaving the body of the tool holder mounted to the table. For most users of tabletop size machine tools, however, the economic factor is not the prime reason for going to a quick-change tool system. Being able to change tools quickly simply means more time is spent doing the productive part of the job and less time is wasted changing tools.</p>  <font color="#0000ff"><h2 align="center">Construction of the quick-change tool post and holders</h2> </font> <p>The tool post body and holders are machined from steel, case hardened and coated with a black oxide finish. This provides a very durable product that should provide generations of service if cared for. Two dovetails are provided on the tool post so holders can be mounted in a choice of positions. The individual holders are locked in place with a cam against a dovetailed slide that is tightened using the same hex key used for many other Sherline operations.</p>  <font color="#0000ff"><h2 align="center">Mounting the tool post and changing holders</h2> </font> <p align="center"><img src="http://www.sherline.com/images/2250fig1.gif" height="141" width="300"></p>  <p align="center"><i>FIGURE 1-The 1/4" cutting tool can be mounted in either position. Shown above (left) is the position for cutting and (middle) is the position for facing off a part. The right hand drawing shows the boring tool in position to bore the end of a piece of stock.</i></p>  <p>The tool post is mounted to the lathe table using the same T-nut arrangement as the standard Sherline tool post. A secondary clamp is also provided and may be used to insure the tool post doesn't move. The horizontal flange of the angle clamp goes in the groove around the base of the tool post. The tool holder is then slipped over the appropriate dovetail on the tool post. The height of the tool tip is adjusted using the knurled handwheel. The cutting tip of the tool should be set to the centerline of the lathe by bringing the tool tip up to a Morse dead center in either the headstock or tailstock spindle. Once the height is set, lock the knurled wheel in position with the hex nut. The holder can now be removed and replaced and the tool will remain at the proper height.</p>  <font color="#0000ff"><h2 align="center">The boring tool holder</h2> </font> <p>The boring tool holder will accept any boring tool with a 3/8" shank. This includes the 3/8" boring tools (P/N 3061and 3063) used with the P/N 3054 Sherline boring head. A variety of boring tool sets are available that would also fit the holder. These can be obtained from independent tool supply companies. It is a good idea to grind a small flat for the clamping screw to locate on. It isn't necessary to clamp all four screws to hold the tool. One or two will be sufficient. The additional screws are there to clamp a tool when the holder is used on the other dovetail.</p>  <font color="#0000ff"><h2 align="center">Using a parting tool</h2> </font> <p>After completing a part in the lathe it is frequently necessary to separate the part from the excess material used for chucking. This operation is best accomplished with the use of a cut-off tool or "parting tool" as it is sometimes called. The Sherline cut-off tool and holder utilizes of a very slender high-speed tool steel cutting blade mounted in a special tool holder. The thinness of the blade (.040") enables it to feed into the part quite easily and at the same time minimizes the amount of waste material. If a non-Sherline blade is used, it is recommended that the thickness not exceed 1/16". The turning speed for parting should be approximately one-half the normal turning speed for any given material. One word of caution; never use a parting tool on a part mounted between centers. The part may bind on the cutter and result in a scrapped part or a broken cutting tool.</p>  <p align="center"><img src="http://www.sherline.com/images/2250fig2.gif" height="141" width="100"></p>  <i><p align="center">FIGURE 2-The cutoff tool or "parting" tool is held as shown. The height of the cutting tip of the blade should be adjusted using the height adjustment wheel until it is exactly on center with the spindle.</p> </i> <p>Always try to lay work out so the cut-off tool is used as close to the spindle as possible. Set blade height using the adjustment wheel on the toolholder. It should be set so the tip is aligned with the centerline of the part being cut.</p>  <p><b><font color="#ff0000">NOTE: ALWAYS USE CUTTING OIL WHEN USING THE CUT-OFF TOOL.</font></b> The cut will be made much smoother, easier and cooler.</p>  <p>Speed should be slower than normal turning speed and feed rate should be a little heavy so the chip will not break up in the slot. If speed and feed are correct, there will not be any chatter, and the chip will come out as if it were being unrolled. Coolant (cutting oil) plays a major roll in this occurring properly.</p>  <p>If the tool chatters, first check to see if the work is being held properly. Then decrease speed (RPM) or increase feed rate or both. Once the blade has chattered, it leaves a serrated finish that causes more chatter. Sometimes a serrated finish can be eliminated by turning the spindle off, adding a liberal amount of cutting oil, bringing the blade up so there is a slight pressure on it without the spindle turning, and then turning by hand or as slowly as possible with the speed control.</p>  <font color="#0000ff"><h2 align="center">Sharpening Instructions</h2> </font> <p>To sharpen the Sherline blade, use the tool support on the grinder set in such a way that it will produce a 7° to 10° angle on the blade (top to bottom). (See Figure 3.)</p>  <p align="center"><img src="http://www.sherline.com/images/3002fig1.gif" height="128" width="197"></p>  <i><p align="center">FIGURE 3-Side view of the Sherline cut-off blade </p> </i> <p align="center"><img src="http://www.sherline.com/images/3002fig2.gif" height="97" width="168"></p>  <i><p align="center">FIGURE 4-Top view of blade (enlarged) when ground for "parting off".</p> </i> <p>If you are sharpening the blade to "part off", the blade should have an additional angle of approximately 5° when viewed from the top with the point on the right. (See Figure 4.) Normally the angle would be as high as 15° but the .040" thickness of the blade would not be rigid enough and the blade could bend. If you want to cut grooves, don't put any angle on the blade when seen from the top. </p>  <p>If the cutting edges on the sides get dull, grind off the end of the blade until you get into new material where the edges are sharp to the cutting end. New blades are available as P/N 3086 from Sherline Products for $15.00.</p>  <font color="#0000ff"><h2 align="center">Care of your toolpost and holders</h2> </font> <p>The case hardened and black oxide finished steel components are very tough, but the corners and dovetail edges can be chipped if dropped or banged together. They should be protected from each other in your tool drawer. Because they are steel, they should also be protected with a light coating of rust preventative before putting them away.</p>  <font color="#0000ff"><h2 align="center">Cutting tools available</h2> </font> <p>Cutting tools are available from Sherline for the holders as follows: </p> <dir> <dir>  <p>• 1/4" cutting tool blank (P/N 3005) or package of five 1/4" tool blanks (P/N 3005B)</p> <p>• 1/4" brazed tip carbide cutting tool set of 3 tools: left, right and 60° threading (P/N 3006)</p> <p>• 1/4" pre-sharpened HSS cutting tool set of 3 tools: left, right and boring tool (P/N 3007)</p> <p>• Cutoff tool blade ( P/N 3086)</p> <p>• 3/8" diameter boring tool holder that takes 55° inserted carbide tips (P/N 7635) or 3/8" diameter boring tool holder that takes 80° carbide inserts (P/N 7638)</p></dir> </dir>   <font color="#0000ff"><h2 align="center">Individual tool holder part numbers</h2> </font> <p>Should you wish to order additional tool holders, here are their part numbers:</p> <dir> <dir>  <p>• 1/4" tool bit holder, P/N 2280</p> <p>• 3/8" boring tool holder, P/N 2285</p> <p>• Cutoff tool holder, P/N 2290</p> <p>• Carbide inserted tip tool holder with one carbide insert, P/N 2295</p></dir> </dir>   <hr> <dir>  <h2 align="center"><img src="http://www.sherline.com/images/2255art.gif" height="162" width="150"></h2> <font color="#0000ff"><h2 align="center">Using the optional P/N 2295 inserted tip carbide cutting tool holder</h2> </font><p>For those who wish to take advantage of the superior cutting ability of carbide cutting tools, Sherline offers a tool holder for 55° inserted carbide tips. The P/N 2295 holder comes with one carbide insert that has 2 cutting edges. It is held in place with a small screw. A special Torx wrench to tighten the screw is also included. Like the P/N 2250 tool post and three dovetailed holders, the inserted tip holder is manufactured from steel, case hardened and given a black oxide finish. </p> <p align="center"><img src="http://www.sherline.com/images/2250fig5.gif" height="147" width="100"></p> <i><p align="center">FIGURE 5-The inserted tip holder can be used for cutting as shown or for facing as shown in the middle drawing of Figure 1. (The carbide holder would be held in a similar position.)</p> </i><p>Remember that carbide cutting tools are a little more brittle than high speed steel and take care not to break the insert.</p> <p align="center"><img src="http://www.sherline.com/images/2295artn.gif" height="159" width="147"></p> <i><p align="center">FIGURE 6-Part numbers for the P/N 2295 insert tool holder body and carbide insert.</p> </i><font color="#0000ff"><h2 align="center">Replacement carbide inserts</h2> </font><p>Replacement inserts for this holder are available from Sherline as well as from several other tool manufacturers. Sherline's replacement number for a single carbide tip is P/N 7605. They are also available in a box of ten as P/N 7605B.</p><h2 align="center"><img src="http://www.sherline.com/images/2251art.jpg" border="0" height="256" width="116"></h2><h2 align="center"><font color="#0000ff">P/N 2251 Riser Block for Quick-Change Tool Post</font></h2><p>A riser block is now available that allows the quick-change tool post system to be used on the lathe with the headstock spacer block in place. This simple, round 1.25" tall riser includes a longer attachment bolt and two T-nut anchors with bolts. It is P/N 2251.</p><dir> <dir>  <p>-Joe Martin, President and Owner<br> SHERLINE Products</p></dir> </dir> </dir>   <hr> <dir>  <p> </p><dir> <dir>  <p align="center"><img src="http://www.sherline.com/images/2250expn.gif" height="211" width="450"></p></dir> </dir>  <font color="#0000ff"><h2 align="center">Quick-change toolpost parts list</h2></font></dir>     <table border="1" bordercolor="#000000" cellpadding="2" width="491"> <tbody><tr><td align="center" width="17%">  <p align="center"><b>REF NO.</b></p></td> <td align="center" width="17%">  <p align="center"><b>PART NO.</b></p></td> <td valign="middle" width="65%">  <p align="center"><b>DESCRIPTION</b></p></td> </tr> <tr><td align="center" width="17%">  <p align="center">1</p></td> <td align="center" width="17%">  <p align="center">22510</p></td> <td valign="middle" width="65%">  <p>Toolpost body</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">2</p></td> <td align="center" width="17%">  <p align="center">22520</p></td> <td valign="middle" width="65%">  <p>Left hand cam</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">3</p></td> <td align="center" width="17%">  <p align="center">22530</p></td> <td valign="middle" width="65%">  <p>Right hand cam</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">--</p></td> <td align="center" width="17%">  <p align="center">22550</p></td> <td valign="middle" width="65%">  <p>Carbide insert holder body (optional, not shown)</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">4</p></td> <td align="center" width="17%">  <p align="center">22600</p></td> <td valign="middle" width="65%">  <p>1/4" tool bit holder</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">5</p></td> <td align="center" width="17%">  <p align="center">22620</p></td> <td valign="middle" width="65%">  <p>Cam spring pin (2 req.)</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">6</p></td> <td align="center" width="17%">  <p align="center">22630</p></td> <td valign="middle" width="65%">  <p>.120" x 7/16" spring (2 req.)</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">7</p></td> <td align="center" width="17%">  <p align="center">22650</p></td> <td valign="middle" width="65%">  <p>3/8" boring tool holder</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">8</p></td> <td align="center" width="17%">  <p align="center">22680</p></td> <td valign="middle" width="65%">  <p>Knurled height adjustment nut (3 req.)</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">9</p></td> <td align="center" width="17%">  <p align="center">22700</p></td> <td valign="middle" width="65%">  <p>Cutoff tool holder body</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">10</p></td> <td align="center" width="17%">  <p align="center">22710</p></td> <td valign="middle" width="65%">  <p>Cutoff tool holder clamp</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">11</p></td> <td align="center" width="17%">  <p align="center">32100</p></td> <td valign="middle" width="65%">  <p>10-32 hex nut (3 req.)</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">12</p></td> <td align="center" width="17%">  <p align="center">40510</p></td> <td valign="middle" width="65%">  <p>10-32 x 3/8" SHCS (4 req.)</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">13</p></td> <td align="center" width="17%">  <p align="center">40670</p></td> <td valign="middle" width="65%">  <p>10-32 x 1/2" SHCS (7 req.)</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">14</p></td> <td align="center" width="17%">  <p align="center">40340</p></td> <td valign="middle" width="65%">  <p>10-32 x 1" SHCS</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">15</p></td> <td align="center" width="17%">  <p align="center">22560</p></td> <td valign="middle" width="65%">  <p>10-32 x 1" flat point set screw (3 req.)</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">16</p></td> <td align="center" width="17%">  <p align="center">22570</p></td> <td valign="middle" width="65%">  <p>4-40 set screw (2 req.)</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">17</p></td> <td align="center" width="17%">  <p align="center">40660</p></td> <td valign="middle" width="65%">  <p>3/16" I.D. washer</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">18</p></td> <td align="center" width="17%">  <p align="center">40540</p></td> <td valign="middle" width="65%">  <p>5/16" x 3/4" cone point set screw (2 req.)</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">19</p></td> <td align="center" width="17%">  <p align="center">40250</p></td> <td valign="middle" width="65%">  <p>Extended toolpost T-nut</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">20</p></td> <td align="center" width="17%">  <p align="center">30860</p></td> <td valign="middle" width="65%">  <p>Cutoff tool blade (sold separately)</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">21</p></td> <td align="center" width="17%">  <p align="center">40330</p></td> <td valign="middle" width="65%">  <p>10-32 x 5/8" SHCS</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">22</p></td> <td align="center" width="17%">  <p align="center">35580</p></td> <td valign="middle" width="65%">  <p>Hold-down clamp</p></td> </tr> <tr><td align="center" width="17%">  <p align="center">23</p></td> <td align="center" width="17%">  <p align="center">30560</p></td> <td valign="middle" width="65%">  <p>10-32 T-nut</p></td></tr></tbody> </table> <br> <br> <p align="center"><br></p>  <p align="center"> </p>5.00.

Care of your toolpost and holders

The case hardened and black oxide finished steel components are very tough, but the corners and dovetail edges can be chipped if dropped or banged together. They should be protected from each other in your tool drawer. Because they are steel, they should also be protected with a light coating of rust preventative before putting them away.

Cutting tools available

Cutting tools are available from Sherline for the holders as follows:

• 1/4" cutting tool blank (P/N 3005) or package of five 1/4" tool blanks (P/N 3005B)

• 1/4" brazed tip carbide cutting tool set of 3 tools: left, right and 60° threading (P/N 3006)

• 1/4" pre-sharpened HSS cutting tool set of 3 tools: left, right and boring tool (P/N 3007)

• Cutoff tool blade ( P/N 3086)

• 3/8" diameter boring tool holder that takes 55° inserted carbide tips (P/N 7635) or 3/8" diameter boring tool holder that takes 80° carbide inserts (P/N 7638)

Individual tool holder part numbers

Should you wish to order additional tool holders, here are their part numbers:

• 1/4" tool bit holder, P/N 2280

• 3/8" boring tool holder, P/N 2285

• Cutoff tool holder, P/N 2290

• Carbide inserted tip tool holder with one carbide insert, P/N 2295

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Using the optional P/N 2295 inserted tip carbide cutting tool holder

For those who wish to take advantage of the superior cutting ability of carbide cutting tools, Sherline offers a tool holder for 55° inserted carbide tips. The P/N 2295 holder comes with one carbide insert that has 2 cutting edges. It is held in place with a small screw. A special Torx wrench to tighten the screw is also included. Like the P/N 2250 tool post and three dovetailed holders, the inserted tip holder is manufactured from steel, case hardened and given a black oxide finish.

FIGURE 5-The inserted tip holder can be used for cutting as shown or for facing as shown in the middle drawing of Figure 1. (The carbide holder would be held in a similar position.)

Remember that carbide cutting tools are a little more brittle than high speed steel and take care not to break the insert.

FIGURE 6-Part numbers for the P/N 2295 insert tool holder body and carbide insert.

Replacement carbide inserts

Replacement inserts for this holder are available from Sherline as well as from several other tool manufacturers. Sherline's replacement number for a single carbide tip is P/N 7605. They are also available in a box of ten as P/N 7605B.

P/N 2251 Riser Block for Quick-Change Tool Post

A riser block is now available that allows the quick-change tool post system to be used on the lathe with the headstock spacer block in place. This simple, round 1.25" tall riser includes a longer attachment bolt and two T-nut anchors with bolts. It is P/N 2251.

-Joe Martin, President and Owner
SHERLINE Products

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Quick-change toolpost parts list

REF NO.	PART NO.	DESCRIPTION
1	22510	Toolpost body
2	22520	Left hand cam
3	22530	Right hand cam
--	22550	Carbide insert holder body (optional, not shown)
4	22600	1/4" tool bit holder
5	22620	Cam spring pin (2 req.)
6	22630	.120" x 7/16" spring (2 req.)
7	22650	3/8" boring tool holder
8	22680	Knurled height adjustment nut (3 req.)
9	22700	Cutoff tool holder body
10	22710	Cutoff tool holder clamp
11	32100	10-32 hex nut (3 req.)
12	40510	10-32 x 3/8" SHCS (4 req.)
13	40670	10-32 x 1/2" SHCS (7 req.)
14	40340	10-32 x 1" SHCS
15	22560	10-32 x 1" flat point set screw (3 req.)
16	22570	4-40 set screw (2 req.)
17	40660	3/16" I.D. washer
18	40540	5/16" x 3/4" cone point set screw (2 req.)
19	40250	Extended toolpost T-nut
20	30860	Cutoff tool blade (sold separately)
21	40330	10-32 x 5/8" SHCS
22	35580	Hold-down clamp
23	30560	10-32 T-nut

Purpose and Use of the Power Feed

Reducing the diameter of a long shaft or a long part can be a tedious task requiring a lot of turning on the feed screw. Obtaining a good finish on such a part requires slow, steady movement on the cutting tool, something hard to achieve when feeding the tool by hand. The Sherline power feed was developed to eliminate this problem. A clutch mechanism permits quick disengagement of the motor so that you can hand feed the cutter whenever you desire. The power feed is from right to left at a constant (nonadjustable) speed of approximately 1 inch per minute. This speed was carefully selected and is appropriate for virtually all jobs you might want to do, making an expensive variable speed control unnecessary.

It is important to realize that the feed is an independent drive with a constant speed; whereas the spindle speed can vary. If spindle RPM lowers, the cut becomes heavier, which in turn lowers spindle RPM even more. As you can see, the end result could bind up the machine and bring it to a stop. Always bear this in mind when using this unit. If spindle speed starts dropping from too heavy a cut, disengage the feed drive first, then either take a lighter cut (approximately .015" in aluminum) or speed up the motor.

Mounting Instructions

1. Remove the headstock, the flat head socket screw under the headstock, and the socket head cap screw under the base. (Note if there is a washer on this screw. Normally, on a 4000-series lathe there is no washer, while on a 4400-series lathe there is one washer. If there is a washer present, it needs to be in place when reinstalled.)

2. Grease the shaft with flats on both ends (P/N 1509) and slide it into the protruding lead screw support tube situated directly below the main spindle pulley. Ensure the end with a small flat enters first. Now slide the shaft with a single flat (P/N 1543) into the lead screw support tube. To guarantee that the shaft is "home", turn it one or two revolutions while applying gentle inward pressure to the end of the shaft. (See Figure 1.)

NOTE: If insertion or movement of the engagement lever is difficult, try loosening the two screws on the bottom of the machine that hold the bed to the base. Move the bed slightly until a good fit occurs.

FIGURE 1--Lead Screw engagement shafts in place inside Lead Screw Support Tube.

3. Replace screws removed in Step 1, making sure that the point of the cap screw underneath goes into the machined groove of the fixed shaft. Check that the shaft from Step 2 is free to rotate. If the shaft binds, first double check to make sure the end of the cap screw is registered in the groove of the fixed shaft and then add an extra washer under the screw head underneath if needed so the screw doesn’t go in quite as deep. Retighten the flat head socket screw in the bed and replace the headstock.

4. Pull out the black plug button on the side of the lathe base (below headstock) and slide the shaft of the engagement lever (P/N 1542) into the hole, handle facing upward. It may be necessary to rotate the shaft about 30° backwards and forwards to get it to engage properly.

5. Engage the shaft of the power feed unit and mount with bolts or sheet metal screws to the same base as the lathe so the shafts line up.

FIGURE 2--Power Feed installed on base.

Power Feed Parts List

No. Req.	Part No.	Description
1	15090	Sliding Shaft
1	15410	"O" Ring
1	15420	Engagement Lever
1	15430	Fixed Shaft
2	40510	Skt Hd Cap Screws, 10-32 x 3/8"
1	40520	Cup Point Set Screw, 10-32 x 3/16"
1	45090	Sheet Metal Screw, #4 x 1/4"
1	45100	Power Feed Bracket
1	45110	Power Feed Cord w/Switch (USA)*
1	45120	Power Feed Motor Case
1	45130	Power Feed Motor (110V.)
1	45140	Power Feed Coupler
1	40630	Power Cord (UK)*
1	40640	Power Cord (Europe)*
1	45250	Power Feed Motor (240V.)

*NOTE: U.S. models (P/N 3001) come with a US-type 3-prong grounded connector on the power cord, while U.K. and European models (P/N 3011) come with a raw wire lead ready for the installation of the appropriate connector used in the country of destination. Both models have an on/off switch as part of the power cord..