Engineering

Busche Workholding - Engineering

Stationary Workholding?

Tooling that will hold the workpiece rigid during a machining cycle.  Typical applications Horizontal Machining Centers, Vertical Machining Centers, 5-axis Machining Centers, etc.

Which clamping method is right for me?

Busche Workholding specializes in various clamping methods. There are many ways that you can clamp a part in the fixture for your machining operations. Each method has its own Pro’s and Con’s

Hydraulic

ProsCons
Quick Clamp TimeLonger Tooling Build
Consistent Clamp ForceHigher Initial Expense
Consistent Clamp SequenceDedicated to Specific Parts
Large Range of Clamp Forces
Busche Workholding - Engineering

Pneumatic

ProsCons
Quick Clamp TimeLonger Tooling Build
Consistent Clamp ForceHigher Initial Expense
Consistent Clamp SequenceDedicated to Specific Parts
Lower Range of Clamp Forces
Busche Workholding - Engineering

Manual

ProsCons
Lower Initial ExpenseSlow Clamp Time
Shorter Tooling BuildOperator Specific Clamp Force
Easier to Run Different PartsOperator Specific Clamp Sequence
Large Range of Clamp Forces
Busche Workholding - Engineering

Gundrilling vs. External tubing

Gundrilling eliminates the need for external tubing to connect the hydraulic and/or pneumatic clamps.

Safety – External tubing traps machined chips that are sharp enough to cut through gloves causing injury

Maintenance – External tube fittings often become loose or brake easily during the loading and machining process which can result in major machine failures when clamps loose force during machining

Busche Workholding - Engineering
Busche Workholding - Engineering
Busche Workholding - Engineering

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Custom fixtures vs. Jigs

A question often asked by potential customers is “Why do I need a custom dedicated fixture, as I have this manual jig that I have been running the samples on?”

Custom fixtures allow the part to be clamped precisely and accurately each time with little to no operator involvement.  Custom fixtures typically feature poka-yokes and air part seating for misload prevention along with spring loaded snap-in’s for part retention.  These elements combined that go into a custom fixture allow for quicker load/unload times, more consistent machined parts, and safer work environment.

Machine Selection and Processing

Don’t know exactly what the best process would be to machine a part?  Give us a call!  We have a vast array of machining experience and can assist in the part processing and overall machine selection.  We can also provide basic fixture concepts to help.

Busche Workholding - Engineering

Testing and Verification

Busche Workholding employee a variety of different techniques and procedures to ensure customers receive a quality fixturing.  During the design phase, we use Finite Element Analysis (FEA) to calculate loads and confirm there is not any unwarranted deflection in the fixture and/or machined parts.  Following the fixture assembly, we clamp multiple parts and test for any unwarranted part or fixture deflection with multiple test indicators.

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