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O.D. Diaphragm Chuck

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This chuck is a 12 inch O.D. diaphragm chuck with 9 ears.

There is no grinding of the jaws at part change over and the chuck still repeats within .0002 tir.

Custom Diaphragm Chucks · Diaphragm Chuck Capabilities · Competetive Advantages & Strengths

Custom Diaphragm Chucks

Ideal for high precision turning, grinding, milling, boring, hard turning, inspection

One piece construction allows for clamping on O.D., I.D., or pitch-line, thin-walled parts: No metal-on-metal moving parts, causing no wear for long-life

Ensures flexibility to engineers or tool designers

Will mount in existing machine envelope (jaw height, locator, and jaw inserts identical)

3, 4 or 6 jaw designs available

Uniform, variable clamping forces provide a rigid design without part distortion

Diaphragm Chuck Capabilities

Sealed Design		• One piece construction eliminates contaminants and costly down time • Maintenance free, no lubrication required

Pull-Down		Pulls work piece tight against part stop

Versatility		• Quick change jaws allows for quick turnover • No grinding necessary on replacement jaws – part turnover within minutes, not hours • Accommodates different sizes using a single diaphragm

Actuation		• Air actuation or push-pull clamping • Uniform clamping pressures

TIR		• Repeatability of less than .0002 • Quick change jaws do not affect TIR

Competetive Advantages & Strengths

Long term ownership (33 years)
(3) graduate engineers: Multiple employees with each having 25+ years dedication to Skill-Craft
Knowledgeable with both Skill-Craft and non Skill-Craft workholding products: Continuous improvement achieved by transferring this knowledge to own custom designs
Repair both Skill-Craft and non Skill-Craft chucks to achieve like new accuracy
Excel in back engineering when no prints are available
High Powered Expertise/Low Cost Business Structure
Latest Automated Design and Manufacturing Technology (CAD, FEA, CAM, CNC)
Precision/stability/repeatability (20-50 millionths) at high speeds >5000 RPM’s
Collets manufactured to a tolerance of .0001 inch
World class reliability and maintainability
AAA credit rating

O.D. Diaphragm Chuck

Sealed Design

Pull-Down

Versatility

Actuation

TIR