background image

5.

  Remove the four set screws (see Figure 5

from the saddle. These holes will be used to 

mount the taper attachment to the saddle in 

a later step.

6.

  Remove the lock nut (see Figure 5) from the 

end of the leadscrew.

7.

  Keep the bearing parts together in the same 

orientation as they were installed as you 

remove them and the end bracket from the 

leadscrew (see 

Figure 6).

Important: 

If a race is stuck to the surface of the 

end bracket, use penetrating oil or mineral 

spirits to separate the parts. Do not pry a 

race loose, as this can damage it.

9.

  Loosen the set screw that secures the slide 

block to the pivot pin, as shown in Figure 8.

Figure 8. Slide block removal.

Pivot

Pin

Slide

Block

8.

  Remove the four flat head screws that secure 

the top cover, then remove the cover (see 

Figure 7).

Figure 7. Attachment body top cover removed.

Figure 6. Leadscrew end bracket removed.

Inner Bearing Assembly

Outer Bearing

Assembly

End

Bracket

!

10.

  Lift the slide block off the pivot pin. Make 

sure not to dislodge the brass anti-scoring 

plug shown in Figure 9.

Note: 

If the anti-scoring plug falls out of the slide 

block, use a dab of grease to hold it in place.

Figure 9. Slide block brass anti-scoring plug.

Brass 

Anti-Scoring

Plug

Mfg. Since 9/11

Model SB1263

-5-

I N S T R U C T I O N S

Summary of Contents for SB1263

Page 1: ...ance when installing it on the lathe Wear heavy duty leather boots with toe protection and keep hands and fingers away from all pinch points Ignoring this warning can lead to severe crushing injuries This taper attachment mounts quickly to the back bedway of your lathe as shown in Figure 1 Accurate tapers can be cut without repositioning the attachment or having to offset the tailstock The Model S...

Page 2: ...risk of seriously injuring themselves with this machine Do not operate this taper attachment until you have understood this entire manual and received proper training Figure 2 Model SB1263 identification Deadman Clamp Deadman Arm Gib Adjustment Screws Taper Adjustment Knob Taper Attachment Body Angle Scale Dovetail Rear Travel Stop Taper Amount Per Inch Scale Arm Clamp 2 Mfg Since 9 11 Model SB126...

Page 3: ...bly 1 Figure 3 Model SB1263 inventory A B C D E Required for Setup The items listed below are required to successfully set up and prepare this taper attachment for operation The installation is intended to be permanent and will take approximately one hour For Assembly Another person Cotton shop rags Mineral spirits Safety glasses Oil can with any general machine oil White lithium grease Wrench 17m...

Page 4: ...eventative with a liberal amount of cleaner degreaser then let it soak for 5 10 minutes 3 Wipe off the surfaces If your cleaner degreaser is effective the rust preventative will wipe off easily If you have a plastic scraper scrape off as much as you can first then wipe off the rest with a rag 4 Repeat Steps 2 3 as necessary until clean then coat all unpainted surfaces with a quality way oil to pre...

Page 5: ...damage it 9 Loosen the set screw that secures the slide block to the pivot pin as shown in Figure 8 Figure 8 Slide block removal Pivot Pin Slide Block 8 Remove the four flat head screws that secure the top cover then remove the cover see Figure 7 Figure 7 Attachment body top cover removed Figure 6 Leadscrew end bracket removed Inner Bearing Assembly Outer Bearing Assembly End Bracket 10 Lift the s...

Page 6: ... the help of another person raise the taper attachment body underneath the slide block so the pivot pin slides into the pivot bore see Figure 13 then secure the assembly to the saddle with the four M8 1 25 x 45 cap screws Figure 12 Slide block installation Pivot Bore Slide Block Way 1 of 2 12 Carefully clean the bearing parts that you removed in Step 7 with mineral spirits When they are dry repack...

Page 7: ...16 Note Do not tighten the arm clamp cap screw or the arm clevis hex nut at this time Figure 15 Deadman clamp Clamping Plate Arm Clamp Cap Screws 21 Position the deadman clamp towards the end of the arm then tighten the deadman clamp cap screws to secure the assembly to the bedway 22 Loosen the dovetail cap screws at each end of the taper attachment body see Figure 17 23 Turn the taper adjustment ...

Page 8: ...t Deadman Clamp Contact 1 Saddle Safety Gap Rear Travel Stop b Slide the adjustment cam and arm clamp toward or away from the deadman clamp until the arm is horizontally parallel with the bedway c Re tighten the adjustment cam set screws If the arm is not vertically parallel with the bedway a Loosen the four adjustment cam set screws shown in Figure 19 b Rotate the knurled adjustment cam until the...

Page 9: ... clamp cap screw and clevis hex nut 32 Move the carriage and taper attachment to the other end and note any change in the reading If the indicator reading is 0 025 or less the tilt of the attachment table is considered acceptable Proceed to Step 35 If the indicator reading is greater than 0 025 proceed to Step 33 to correct the attachment table tilt 33 Loosen the four cap screws that secure the at...

Page 10: ... splash guard Operation The taper attachment is engaged for operation when the deadman clamp is tightened on the bedway and disengaged for operation when the deadman clamp is loosened Engaging Taper Attachment 1 DISCONNECT LATHE FROM POWER 2 Position the cutting tool at the proper beginning position for the turning operation Note Make sure that there will be at least 1 clearance between the deadma...

Page 11: ... scales 5 Turn the taper adjustment knob to set the required taper then re tighten both dovetail cap screws Disengaging Taper Attachment 1 DISCONNECT LATHE FROM POWER 2 Loosen both deadman clamp cap screws see Figure 27 Figure 28 Dovetail way cap screw 1 of 2 Dovetail Cap Screw 1 of 2 Figure 27 Deadman clamp cap screws Deadman Clamp Cap Screws 3 Loosen the dovetail way cap screws at each end see F...

Page 12: ...wiped up with a slightly oiled rag Avoid using compressed air to blow off chips as it may drive them deeper into moving surfaces and could cause sharp chips to fly into your face or hands To keep the unpainted surfaces of the attachment table and dovetail ways rust free and in top condition apply a thin coat of a quality way oil after cleaning them Lubricating Slide Block Pivot Pin Internal Ways 1...

Page 13: ... turn counterclockwise so both screws move in the same direction and the same amount Test the feel of the setting by moving the carriage and adjust the gib screws as necessary to make it tighter or looser External Gib The external gib is wedge shaped and is held in position by three set screws see Figure 30 To adjust this gib loosen the hex nuts and turn the set screws in equal amounts Test the fe...

Page 14: ... 8 7 33 32 31 30 28 12 13 5 2 1 21 20 18 17 16 15 14 12 13 12 11 10 34 35 27 26 36 25 22 24 36 23 19 20 51 10 11 48 46 47 33 45 44 43 40 42 40 39 38 37 23 41 46 49 50 14 Mfg Since 9 11 Model SB1263 I N S T R U C T I O N S ...

Page 15: ... CLEVIS 14 PSB1263014 BODY 39 PSB1263039 CLEVIS PIN 15 PSB1263015 PLATE 40 PSB1263040 NUT BLOCK M6 1 X 25 16 PSB1263016 PHLP HD SCR M6 1 X 10 41 PSB1263041 T NUT M8 1 25 17 PSB1263017 SET SCREW M8 1 25 X 25 42 PSB1263042 NUT BLOCK 18 PSB1263018 HEX NUT M8 1 25 43 PSB1263043 LEADSCREW 19 PSB1263019 CAP SCREW M8 1 25 X 30 44 PSB1263044 KNOB 20 PSB1263020 STEEL FLUTED RIVET 2 X 5MM 45 PSB1263045 DEAD...

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