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Stepper Motor Spindle Mount Kit
Stepper Motor Spindle Mount Kit

Product #: 6500
Price: $141.75

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About the Sherline Stepper Motor Mounting Kit

The P/N 6500 kit includes the items you need to mount a stepper motor to drive any Sherline standard or industrial  headstock spindle that accepts a motor mounting bracket.

Included in the kit

The kit includes a custom bracket that supports the motor and the standoffs that attach to the mounting bracket. Also included are the standoffs, motor mounting bracket, 15-tooth motor pulley, 30-tooth spindle pulley, toothed drive belt and mounting hardware. Not included are the headstock and stepper motor (P/N 67127), which must be purchased separately. (A 10-tooth drive pulley is also available for special order for a slower 3:1 drive ratio instead of the standard 2:1 ratio. It is part number 65003.)

Installing the stepper motor

The conventional installation and an alternate space-saving alternative are shown below. If using the alternative method, flats must be ground on the spindle shaft to accommodate the pulley set screws. If this is not done, the galling of the spindle shaft caused by the set screw points can make the pulley difficult or impossible to remove from the shaft.

 

The first photo (Figure1) below shows the conventional configuration with the timing belt pulley replacing the standard 2-position V-belt pulley. This gives the most support for the drive belt. Although not originally designed for it, the motor can also be installed in the other direction as shown in the right-hand photo (Figure 2) if space requires. (The standard two-position pulley has been retained here in order to cover the bearings and preload nut.) Additional flats should be ground on the spindle shaft to accommodate the timing belt pulley set screws. The headstock and stepper motor shown here are NOT included with the kit. (Click on either photo to view a larger image.)

6500_pic1
Figure 1
6500_pic2
Figure 2

 

NOTE: Stepper Motor RPM Range

We have had customers who want to use the stepper motor (on the headstock) as a dual purpose motor. They want to use it to index the headstock to do machine work (mill flats, or cut out inlay areas on a pool cue). They also want to use it as a drive motor to turn stock (to replace the DC motor).

The max RPM of the spindle with the stepper motor and cog pulley mounted to it is 225. The Min RPM is 6 - 10.

Replacement Parts -

12050 8-32 X 3/8″ Skt Hd Cap Screw

40020 Motor Bracket

40660 #10 Washer 3/16

40690 10-32 X 3/4″ Skt Hd Cap Screw

43100 Dc Motor Stand Off Assembly

65001 Timing Belt

65002 Timing Belt Pulley

65016 Industrial 3Ot Spindle Cog Pulley

671030 Stepper Spindle Motor Mount

Download PDF 6500 Instructions

Instructions PDF Download

 




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