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Ball-Grip chucks are used for first operation roughing and/or second operation finishing. The basic chuck is modified to suit machine mounting, the need for coolant and/or air through, and mounting for top tooling, which is designed to a customer’s part and machining requirements. Ball-Grip chucks are available in standard sizes up to 33″ (838.2mm) and special sizes up to 79″ (2m). Larger sizes available upon request.
Basic Standard Style Options:
- Two-, Three-, Four- and Six-Jaw Chucks
- Internal and External Chucking
- Centralizing, Compensating, Centralizing-Compensating, and Equalizing/Centralizing chucking mode.
Standard Features:
- Pull Down or Pull-Back Action – Assist in providing positive location against work stop.
- Jaw Swivel (Homing) – Jaw compensates for part variation insuring 2 point contact with each jaw.
- Jaw Travel – Increased jaw travel enhances part loading and tolerance variations.
- Sealed Design – Sealed slides significantly reduce costly maintenance and resulting down time.
- Ball Joint Construction – Power mechanism operates within a sealed unit of high pressure lubricant.
- High Power Ratio – Higher gripping force with less input resulting in longer chuck life.
- Differential Chucking – Chuck allows for High-Low pressure chucking.
Optional Features:
- Coolant- and/or Air-through center bore.
- Quick-change External/Internal chucking available for two and three jaw chucks.
- Quick change Jaw Mounting for rapidly changing work piece tooling.
- “W” series Platform style Jaw Mounting available to mount customers existing tooling.
- Counter Centrifugal option counteracts the negative effect of centrifugal force to accommodate high-speed applications.
Related Glossary Terms
- chuck
chuck
Workholding device that affixes to a mill, lathe or drill-press spindle. It holds a tool or workpiece by one end, allowing it to be rotated. May also be fitted to the machine table to hold a workpiece. Two or more adjustable jaws actually hold the tool or part. May be actuated manually, pneumatically, hydraulically or electrically. See collet.
- coolant
coolant
Fluid that reduces temperature buildup at the tool/workpiece interface during machining. Normally takes the form of a liquid such as soluble or chemical mixtures (semisynthetic, synthetic) but can be pressurized air or other gas. Because of water’s ability to absorb great quantities of heat, it is widely used as a coolant and vehicle for various cutting compounds, with the water-to-compound ratio varying with the machining task. See cutting fluid; semisynthetic cutting fluid; soluble-oil cutting fluid; synthetic cutting fluid.
- tolerance
tolerance
Minimum and maximum amount a workpiece dimension is allowed to vary from a set standard and still be acceptable.
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