Published 09/15/2025

Big Daishowa Angle Head Enhances Productivity, Chip Removal

Big Daishowa Inc. introduces the TAG90 center-through-coolant angle head, designed for improved cooling efficiency and accuracy in complex machining applications.

Edited by: Chris Pasion

Managing Editor, Modern Machine Shop | Production Machining

Source: Big Daishowa Inc.

Big Daishowa Inc. has expanded its fixed 90-degree angle head lineup with the introduction of the TAG90 center-through-coolant angle head and AG35 high-pressure coolant adapters. This new offering provides productivity, flexibility and accuracy benefits while improving chip evacuation for operators.

These center-through-coolant angle heads deliver coolant directly from the machine spindle to the cutting edge, bypassing the stop block. This design improves cooling efficiency and chip removal. The angle heads support coolant pressures up to 1,000 psi.

Customers can select between two options: the Build-Up-type angle head, which enables operators to change the adapter for use in a variety of machining applications, or the HMC-type angle head, a high-rigidity milling chuck. The Build-Up-type angle head utilizes AG35 high-pressure coolant adapters, including the New Baby Chuck and Side Lock adapter types.

Big Daishowa’s angle head lineup enables shops to combine vertical and horizontal operations on a single machine and access hard-to-reach features on a workpiece that would otherwise require multiple setups. This capability reduces cycle times, improves overall accuracy, and minimizes the potential for error caused by multiple setups.

According to Alan Miller, senior manager of engineering at Big Daishowa, the TAG90 angle heads are well-suited to industries like aerospace, defense and automotive, where manufacturers aim to machine larger, more complex workpieces in fewer setups while addressing chip evacuation challenges, especially with hard-to-machine materials.

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