Static Broach Tool Holder
Polygon Solutions’ Static Broach Holder is designed to hold punch style broach tools in a stationary position. The static broach holder can be mounted into a punch press or milling machine for accurate, light duty pecking or punching operations.
Reasons to Choose Our Static Broach Holder
- Innovative Adjustment-Free design for extremely fast and simple set-up
- Polygon Solutions’ static broach holder can be used to create forms in tough materials
- Through Coolant Technology
- Quick Change System Allows for Changing Broaches with Extremely Accurate Repeatability.
- Manufactured in the USA at our facility in Florida
The Static Broach Holder is designed to hold static-style broach tools in a stationary position. The ‘ST’ series broach holders are suitable for standard and custom length broaches. To use the holder, simply mount the holder in the machine, and tighten the set screw onto the desired broach.
Most rotary broaches are used in a rotating holder, which ‘wobbles’ the cutting tool from corner to corner, and greatly reduces the required thrust required to machine the form. However, there are various circumstances where using the static holder will be preferred. The static broach holder is not meant to rotate, but instead to be used in a pecking, or punching fashion.
Static Broach Tool Holder | Accepts 1/2″ Shank Diameter x 1-3/4″ Length Punch-Style Broaches
Accepts .500″ Diameter 1.75″ Overall Length Broaches |
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| 5/8″ Shank | ST-063-B |  |
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| 3/4″ Shank | ST-075-B | |
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| 1″ Shank | ST-100-B | |
Static Broach Tool Holder | Accepts 8mm Shank Diameter x 1-1/4″ Length Broaches
Accepts .315″ Diameter 1.25″ Overall Length Broaches |
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| 5/8″ Shank | ST-063-A | |
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| 3/4″ Shank | ST-075-A | |
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| 20mm Shank | ST-020-A | |
Static Broach Holder Uses
1. The static broach holder can be mounted into a punch press or milling machine for accurate, light duty pecking or punching operations.
2. Multiple static holders can be used in place of a conventional broach. Conventional broaches have multiple teeth that increase in size. Single or multiple static broach holders can be used with different broaches that increase in size until the desired form is achieved.
3. The static holder can be used for shaping type operations. Shaping machines remove a small amount of material in a given direction in multiple swift passes. A static broach holder can also be used as a shaping tool. For example, a square punch-style broach could be used to cut a small section of a keyway or rectangle in multiple passes until the full form is achieved.
4. Alignment. Rotary broach tools do not often include alignment features. The static broach holder is fixed and will hold alignment for each pass.
5. The static broach holder can be used to create forms in tough materials. Many hexalobular, or ‘torx-type’ forms can be pecked into tough materials where rotary broaching tools may fail.
Many titanium bone screws are manufactured using the following procedure:
a. Drill the pilot hole.
b. Peck the broach into the pilot hole using the static holder .010-.025” deep.
c. Remove the broach from the part, drill the chips out.
d. Repeat as needed.
If this pecking method is still unsuccessful, partial forms can be made, and then indexed to machine the final form. For example, a broach with two of six hexalobular lobes can be pecked into the pilot hole, removed, rotated, and repeated until the full form is achieved. For more information, please see ‘Improved Process for Medical Implant Broaching’.