Engineering Calculators · Lathe Chucks and Workholding
KORRETTO lathe chuck and fixture calculators provide online engineering tools for hydraulic chucks, rotary cylinders, soft jaws, adapter plates and workholding selection. The available tools now include a hydraulic chuck clamping force calculator, a chuck and fixture selection assistant, and a soft jaw design calculator for preliminary workholding and jaw sizing decisions.
Hydraulic Chucks and Rotary Cylinders
Estimate theoretical hydraulic cylinder pull force, effective drawbar force and approximate hydraulic chuck clamping force from chuck technical data, piston area and hydraulic pressure.
Use cases: Hydraulic chuck selection, rotary cylinder matching, pressure reference and replacement review.
Open calculatorPreliminary Chuck and Fixture Selection
Suggest specific chuck or fixture series based on workpiece shape, clamping datum, actuation method, clamping type, machine type, accuracy and surface protection needs.
Use cases: New-job workholding comparison, fixture replacement screening and quotation data preparation.
Open selection assistantSoft Jaw Sizing and Contact Range
Estimate soft jaw bore diameter, contact arc length, grip length ratio and clamping risk from workpiece diameter, jaw count, grip length and machining allowance. Generate a soft jaw sizing sketch for preliminary design reference.
Use cases: Jaw boring size checks, OD / ID gripping comparison and quotation data preparation.
Open soft jaw calculatorMore fixture selection and machining support tools will be organized here.
No. The calculators are intended for preliminary engineering judgment only. Final selection should be checked against technical limits, machine interface data, workpiece drawings, cutting load and trial clamping results.
It is used for preliminary hydraulic chuck selection, rotary cylinder matching, pressure reference and replacement review before changing an existing chuck or hydraulic cylinder.
Yes. Use custom piston area or custom piston diameter mode and enter the actual cylinder data. Stroke, mounting interface, maximum pressure and chuck allowable drawbar force still need to be verified.
Real clamping behavior is affected by speed, soft jaw mass, clamping diameter, jaw height, lubrication, wear, drawbar assembly and workpiece friction, so technical data checks and trial clamping remain necessary.
Please provide machine model, spindle nose, drawbar or cylinder data, target chuck size, workpiece drawing, clamping diameter, machining process, target speed and planned hydraulic pressure range.