Modular Pull Clamping System

Modular Pull Clamping System

Simple clamping allows 5 axis machining without tool interference.
Can be used as mechanical zero point clamping system for quick fixture change with 0.005mm accuracy.

Product Video

Product Video
Modular Pull Clamping System
Product Video
Demonstration

Comparison to Conventional Fixtures

Conventional fixtures have machining restrictions.

Areas in red cannot be machined.

Modular Pull Clamping System enables machining from 5 sides.

Single Machining Step

Additional machining step is required because of tool interference

Fixture for the additionalmachining step

No tool interference and no need for additional machining step

Better Machining Accuracy

Poor machining accuracy by machinig in divided steps

Better machining accuracy by single setup

Shorter Fixture Preparation Time

【Time to design fixture】

1st Step - 3hrs
2nd Step - 2hrs
Total 5hrs

【Time to assemble fixture】

1st Step - 3hrs
2nd Step - 3hrs
Total 6hrs

【Fixture components】

1st Step - 57 parts
2nd Step - 57 parts

【Time to design fixture】
10min

【Time to assemble fixture】
10min

【Fixture components】
17 parts

Note:can be used similarly for complicated workpieces

Lower Fixture Cost

Cost for 2 steps
(including fixture plate)

1st Step - JPY 678,000
2nd Step - JPY 763,000

Total JPY 1,441,000

Cost for single step
(including fixture plate)

Total JPY 1,048,000

No Tool Interference

Complicated toolpaths are required to avoid interference.

Simple toolpaths without interference

Application Example

Improvement of Existing Fixtures

Before

Multi-face machining with vises

Purpose

Single Setup

Pull clamping with screws
(Using riser blocks)

Purpose

Easy Clamping Operation

Pull clamping with screws
(Using a fixture plate)

Purpose

Eliminating interference with fixture plate

After

With Clamping Screws attached directly to the workpiece

With Clamping Screws attached to the fixture plate

Quick Fixture Change

Modular Pull Clamping System allows quick and precise fixture change.

Modular Fixture

Can be used as a universal fixture by standardizing the mounting pitch for Clamping Screws.

Positioning Order of Tapered Clamping Screws

Workpiece Raising

Prevent tool interference
Easy chip cleaning

How To Use

How To Use Modular Pull Clamping System

Clamping Modules can be coupled with each types of Clamping Modules.
For details, see the Assembly Chart in "How To Use Modular Pull Clamping System".

How To Use Clamping Screws

Tapered Clamping Screws

For precise locating

Tapered Clamping Screws

Clamping Screws

For clamping

Clamping Screws

Positioning Order of Tapered Clamping Screws

Mount the Round-Type and Diamond-Type as in the figure, for locating workpieces.

Note: Tighten the Round-Type first, and then Diamond-Type, and Clamping Screws last of all.

Locating Mechanism

Dual surface contact at the tapered surfaces and contact surfaces enables 5μm locating repeatability.

Locating Mechanism

Lineup

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