Toolholders
The Knob Problem
The retention knob is an unmistakably critical component of the machining process. However, the tightening of the knob itself can lead to the toolholder not seating securely in the machine. You may be losing tool life to knob tightness without even knowing it.
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Video: Retention Knob Tightening And Toolholder Deflection
This footage illustrates how the toolholder taper is measured in a test designed to capture the retention knob’s effect on the shape of the toolholder taper.
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Rotary Broaching Attachments For Swiss Lathes
TPS International introduces the Swiss Broach line of rotary broaching attachments specifically suited for use on Swiss-style lathes. The attachments feature adjustment-free, compact holders for tight tooling spaces.
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Expanded Selection Of Tooling Adapters
Thinbit, manufactured by Kaiser Tool Company, has expanded its selection of adapters for the Mini-Bore, Microbit and MiniGroove ‘N Turn tooling lines. The new adapters are available with 3/4" and 1" ODs and 1/8", 3/16", 1/4", 5/16", 3/8" and 1/2" IDs. .
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Collet-Chuck-Style Broach Tool Holders
The versatile collet-chuck-style broach toolholders use ER-style collets, which are said to reduce the time-consuming, three-screw method of centering a high speed steel broach in the broach toolholder. Also, an ER style collet can hold broaches with shanks of virtually any diameter within its range. For example, one holder can hold three different broach tools with varying shank diameters.
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High Clamping Force Toolholder
The powRgrip PG system uses a toolholder and collet to generate high clamping forces while maintaining a TIR of less than 0. 0001", the company says. The system is said to be ideal for high speed machining applications, and it can clamp tool shanks ranging to 1" in diameter.
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Too Small To Touch
Hummingbird takes on machining work that is too small for most shops to handle. In fact, Hummingbird tries not to handle it either. To accurately machine the tiniest parts, this shop relies on processes that are as hands-off as possible.
Read MoreMicrobore Collets for High Clamping Force
The powRgrip PG system uses a toolholder and collet to generate a high clamping force while still maintaining a TIR of less than 0. 0001". The company says it takes less than 10 seconds to press in a tool or remove it from the holder.
Read MoreCollet Chuck-Style Broach Toolholders
The new collet chuck-style broach toolholders are said to be versatile because they use ER-style collets, which are designed to reduce the three-screw method of centering the HSS broach in the broach toolholder. The ER-style collet will hold virtually any diameter shank broach tool in the holder within the range of the collet. A built-in stop screw allows the operator to adjust for different length broaches and to compensate for different lengths on re-sharpened broaches.
Read MoreAddition to Toolholder Line
Groove n’ Turn toolholders offer a new holder available in 1/2", 5/8", 3/4" and 1" diameters. It has a 1. 250" minimum bore and holds inserts with cutting depths to 0.
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