South bend SB1263 Instruction Sheet

Taper attachment fot lathe

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This taper attachment is heavy! Get
assistance 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!
Specifications
Designed for Lathe Models ... SB1039, SB1049–52
Taper Per Inch Range ........................ ±0.00"–0.18"
Maximum Taper Length ......................................9"
Minor Inch Scale Divisions .............................0.01"
Major Inch Scale Divisions .............................0.02"
Taper Angle Range ....................................±0°–10°
Minor Angle Scale Divisions...............................
Major Angle Scale Divisions ................................1°
Construction ..................................Cast Iron, Steel
Net Weight ................................................... 49 lbs.
Shipping Weight ........................................... 60 lbs.
Factory ........................................................ Taiwan
Copyright © January, 2012 by South Bend Lathe Co. Revised January, 2014 (ST)
WARNING: No portion of this manual may be reproduced without written approval.
MODEL SB1263
TAPER ATTACHMENT
Instruction Sheet
PHONE: (360) 734-1540 •
For Product Manufactured Since 9/11 #TS14639 Printed in Taiwan
www.southbendlathe.com
Introduction
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.
Figure 1. Taper attachment installed on rear of lathe.
Note: Splash guard removed for clarity.
°
1
2
The Model SB1263 features an inches scale and
a degree scale. An angle adjusting knob with fine
threads achieves precise control when setting
tapers.
Another feature is the ability to use the taper
attachment without disengaging the cross slide
nut. This design allows the taper attachment to
be functional at any time by simply tightening
the two deadman clamp cap screws, which lock
the deadman clamp to the rear lathe way.

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Summary of Contents for South bend SB1263

  • Page 1 Copyright © January, 2012 by South Bend Lathe Co. Revised January, 2014 (ST) WARNING: No portion of this manual may be reproduced without written approval.
  • Page 2 Adjustment Angle Knob Scale Clamp Figure 2. Model SB1263 identification. Serious personal injury could occur if you Untrained users have an increased risk connect the lathe to power before completing of seriously injuring themselves with this the setup process. DO NOT connect power machine.
  • Page 3: Required For Setup

    Deadman Arm Assembly ....... 1 • Drill bit ⁄ " • Tapered drill bit 8mm • Spiral pin reamer #6 — Small end diameter: 0.2773" — Large end diameter: 0.3540" • Small metal hammer • Dial indicator w/magnetic base Figure 3. Model SB1263 inventory.
  • Page 4: Installation

    I N S T R U C T I O N S Model SB1263 Mfg. Since 9/11 Cleanup Installation The unpainted surfaces of your taper attachment This procedure explains installation of the taper are coated with a heavy-duty rust preventative attachment on a lathe without a DRO installed.
  • Page 5 I N S T R U C T I O N S Mfg. Since 9/11 Model SB1263 Remove the four set screws (see Figure 5) Loosen the set screw that secures the slide block to the pivot pin, as shown in Figure 8.
  • Page 6 I N S T R U C T I O N S Model SB1263 Mfg. Since 9/11 11. Unthread the two cap screws that secure the 14. Secure the slide block onto the end bracket end bracket (see Figure 10) and remove it with the two cap screws removed in Step 11, as shown in Figure 12.
  • Page 7 I N S T R U C T I O N S Mfg. Since 9/11 Model SB1263 17. Snug the slide block set screw until the brass 20. Thread the arm clevis into the taper plug is slightly pre-loaded against the pivot attachment, then position the deadman pin (see Figure 14).
  • Page 8 I N S T R U C T I O N S Model SB1263 Mfg. Since 9/11 24. Re-tighten both dovetail cap screws to secure 27. Inspect the assembly to determine if the the zero setting. deadman arm is parallel horizontally and vertically with the bedway.
  • Page 9 I N S T R U C T I O N S Mfg. Since 9/11 Model SB1263 28. Tighten the arm clamp cap screw (see 32. Move the carriage and taper attachment to Figure 20) to secure the deadman clamp the other end and note any change in the assembly to the arm.
  • Page 10: Operation

    I N S T R U C T I O N S Model SB1263 Mfg. Since 9/11 Operation 35. Drill two ⁄ " holes into the saddle through the pilot holes in the attachment casting (see Figure 23). The taper attachment is engaged for operation...
  • Page 11 I N S T R U C T I O N S Mfg. Since 9/11 Model SB1263 Disengaging Taper Attachment Loosen both dovetail cap screws (see Figure 25). DISCONNECT LATHE FROM POWER! Loosen both deadman clamp cap screws (see Figure 27)
  • Page 12: Maintenance Schedule

    I N S T R U C T I O N S Model SB1263 Mfg. Since 9/11 Maintenance Cleaning & Protecting Typically, the easiest way to clean debris and grime from the attachment is to use a wet/dry shop vacuum that is dedicated for this purpose.
  • Page 13: Gib Adjustment

    I N S T R U C T I O N S Mfg. Since 9/11 Model SB1263 Gib Adjustment External Gib The external gib is wedge-shaped and is held The goal of adjusting the gib screws is to remove in position by three set screws (see Figure 30).
  • Page 14: Parts Breakdown

    I N S T R U C T I O N S Model SB1263 Mfg. Since 9/11 Parts Breakdown -14-...
  • Page 15: Parts List

    I N S T R U C T I O N S Mfg. Since 9/11 Model SB1263 Parts List PART # DESCRIPTION PART # DESCRIPTION PSB1263001 BUSHING BRASS PSB1263028 PIVOT PIN PSB1263002 CAP SCREW M6-1 X 20 PSB1263030 PIVOT SADDLE...

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