Skill-Craft Company Inc.
Serving the Workholding Industry Since 1952

Custom Balance & Precision Chucks from Skill-Craft Company Inc.

Flange Chucks
Flange Chucks

Balance Precision Chucks
Balance Precision Chucks

Specializing in balancing for over 35 years, you can trust Skill-Crafts' years of quality products. As a leader in quality, precision, accuracy, concentricity, durability, and reliability you can count on our chucks made for the most precise applications and tightest balancing requirements. Most precision chucks models repeat less than .0001 TIR, air operation or actuation for the most precise parts. Air release and Spring Clamping ensures perfect repeatability

Let Skill-Craft quote your most difficult precise workholding needs - any part needing balancing, Skill-Craft has a solution

Balance Chuck Applications include:

  • Drive Shafts
  • Pinion Gears
  • Ring Gears
  • Torque Converters
  • Clutch Turbine
  • Fly Wheels
  • Fan Blades
  • Brake Rotors
  • Brake Drums
  • Flex Plates
  • Dampers
  • Reaction Carriers
  • Housing output shafts
  • Differential Cases
  • Wheel and Tire

Balance & Precision Chucks Examples & Information

Swing Clamp Chuck
Swing Clamp Chuck
Swing Clamp Chuck
Swing Clamp Chuck Advantages
  • Holds irregular shaped pieces that ordinary chucks cannot accommodate
  • High ratio of clamping power ensures proper part pull down against part stop
  • Virtually no internal wear maximizes your investment
  • Sealed design along with proper greasing provides solution to costly downtime
TIR
  • Guaranteed within your balance specs or better
  • Repeatability of less than .0002
Swing Clamp Chuck Features
  • O.D./I.D.: Ensures flexibility to engineers and tool designers
  • Collet: Designed into the body ensuring part centralization before swing clamps chuck part
  • Clamping: Allows for chucking of the most irregular parts needed to be machined, balanced, or inspected
  • Compensating
    • Chuck jaws float to grip the work-piece in pre-established position
    • Allows for clamping on castings that have variable thicknesses
  • Allows for chuck to be balanced out on machine
  • Integrated air cylinder
Single Tapered Collet
Single Tapered Collet
Single Tapered Collet
O.D. Collet Chuck Features
  • Internal locator, locates part central prior to clamping
  • Gripping force centralized over entire O.D. of part ensuring no part distortion
  • Greatest form of concentricity and repeatability outside of diaphragm chucks
  • Higher degree of simplicity than standard (3) jaw chucks
  • Simple part change over
  • No centrifugal force lost, able to run at >6,000 rpm's
TIR
  • Guaranteed within your balance specs or better
  • Repeatability of less than .0001"
Trunnion Chuck
Trunnion Chuck
Trunnion Chuck
Centralizing & Compensating Chuck Features
  • Allows for extreme accuracy and repeatability for balance application
  • Replaceable wear items along with routine maintenance allows for long tool life
  • Sealed design keeps contaminates out in order to maximize your investment
Centralizing
  • Jaws centralize the part before clamping equidistant from centerline
Compensating
  • Chuck jaws float to grip the work-piece in pre-established position
TIR
  • Guaranteed within your balance specs or better
  • Repeatability of less than .0002"
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