Sherline 3C Collet Spindle Headstock C3 Bearing w/ Motor Control
Sherline 3C Collet Spindle Headstock C3 Bearing w/ Motor Control

Sherline 3C Collet Spindle Headstock C3 Bearing w/ Motor Control

Sherline Machining ToolsSKU: RB-She-2039
Manufacturer #: 3310
Price  :
£847.22

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Description

  • Sherline 3C Collet Spindle Headstock C3 Bearing w/ Motor Control
  • Accommodates 1/2 inch stock
  • Features interchangeable headstock
  • Offers rust-resistant spindle
  • Includes DC motor with speed control
  • Provides wide RPM range up to 6,100

The Sherline 3C Collet Spindle Headstock C3 Bearing w/ Motor Control is a versatile and durable component designed to accommodate larger diameter stock, up to 1/2 inch, through its headstock. This headstock is interchangeable with standard Sherline headstocks, maintaining the same centerline height and mounting system, which allows for seamless transitions between different headstock models. The spindle is electroless nickel plated, enhancing its resistance to rust and increasing surface hardness for extended durability. It includes a spindle pulley and a precision ground head key, providing a robust and reliable setup for various machining tasks.

For those who wish to use a chuck with this headstock, a 3C to ¾-16 chuck arbor is available for purchase separately. This allows compatibility with all Sherline 3- and 4-jaw chucks that have a ¾-16 thread. While Sherline does not manufacture 3C collets, users have the flexibility to choose from reputable manufacturers like Hardinge, ensuring they can select collets that meet their specific needs.

The headstock is equipped with a DC motor and speed control, offering a two-speed pulley system with a wide RPM range. The motor is a brush-type permanent magnet motor, designed for continuous duty with a totally enclosed, non-vented enclosure. It provides reliable performance with a continuous speed of up to 6,100 RPM, making it suitable for driving units in lathes or mills. The motor's insulation system is rated Class A, ensuring safe operation under various conditions.

Note: Ensure proper handling and installation to prevent injury or damage to the equipment.

  • 1x 1″ Spindle wrench
  • 1x Spindle bar

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  • Headstock spindle nose: 3C collet, 1/2" through-hole
  • Pulley groove side angle: 19°
  • Coating: Electroless nickel with uniform thickness up to .004"
  • Total indicator runout at spindle nose: 0.001"
  • Spindle end play: Adjustable with preload nut, factory settings 0.0002"
  • Bearings: 9 balls, 1/4" diameter
  • DC motor and speed control: Electric motor specifications from manufacturer
  • Two-speed pulley RPM range: Normal belt position 70-2,800; high-torque, low RPM position 70-1,280
  • Type of enclosure: Totally enclosed, non-vented
  • Duty rating: Continuous 10 oz. in. at 6,100 RPM, .85 amperes; intermittent 30 oz. in. at 5,500 RPM, 1.75 amperes
  • Output horsepower: .06 KW (60 W) at 10 oz. in. / 6,100 RPM
  • AC voltage (input): Normally 115 VAC, 60 Hz, single phase
  • DC voltage: 90V DC to motor
  • Speed in RPM: 6,100 RPM continuous
  • Class of insulation: Class A, 105° C insulation system
  • Normal full load current: .85 amperes
  • Starting current: 1.7 amperes instantaneous starting current
  • Type of motor: 3.00 inch outer diameter sub-fractional horsepower brush-type permanent magnet motor
  • Temperature rise at ambient: 50° C, less than or equal to 45° C
  • End use of motor: Drive unit for lathe or mill

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