Balance and Precision Chucks - Skill-Craft Company

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

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
Torque Converters
Fan Blades
Flex Plates
Housing Output Shafts

Pinion Gears
Clutch Turbine
Brake Rotors
Dampers
Differential Cases

Ring Gears
Fly Wheels
Brake Drums
Reaction Carriers
Wheel and Tire

Balance & Precision Chucks Examples & Information

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

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

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″