Tailstocks

TJR Tailstocks

Precision Workpiece Support for Rotary Tables and Indexers

TJR Precision Technology tailstocks provide rigid, reliable workpiece support for use with rotary tables and indexers. Designed for precision alignment and maximum stability, these tailstocks help manufacturers maintain cutting accuracy when machining long or heavy parts that require additional support during rotation.

Benefits for Metal Cutting Manufacturers

  • Improve machining accuracy by eliminating part deflection and vibration
  • Enhance rigidity for long or heavy workpieces during rotary indexing
  • Extend tool life through stable cutting conditions
  • Seamlessly integrate with TJR rotary tables and indexers
  • Easy setup and operation with manual, pneumatic, or hydraulic actuation

TJR Tailstock Solutions

Manual Tailstocks

The TJ and TTJ Series manual tailstocks use a Morse tapered center to support long workpieces during rotary machining operations. The center can be easily adjusted forward or backward using a rear handle, making these models ideal for quick setup and precise alignment.

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Automatic Tailstocks

The ATTJ and HTTJ Series automatic tailstocks provide the same precise support as the manual versions but with pneumatic or hydraulic actuation. Their automatic engagement and release enable faster, more consistent operation for high-volume or automated production environments.

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Rotary Tailstocks

TJR rotary tailstocks deliver maximum rigidity for large or heavy workpieces, tombstones, or fixture plates. A pneumatic or hydraulic brake system securely locks the workpiece in place to ensure stability during machining, preventing unwanted movement or distortion.

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Solutions from Absolute Machine Tools

As the exclusive North American importer and distributor of TJR Precision Technology products, Absolute Machine Tools provides full technical support, service, and spare parts for every TJR rotary table and tailstock. Our applications engineers are available to help select and integrate the right model for your specific machining requirements.

For assistance in selecting the proper TJR tailstock for your rotary table or indexer, contact Absolute Machine Tools today. Our team can help ensure your setup delivers maximum rigidity, precision, and reliability.

Frequently Asked Questions About Tailstocks

Tailstocks are used to support long parts on a lathe or rotary table.

The answer depends on the length of the piece. For short-length pieces, you can get by without a tailstock. However, a tailstock for long, slender pieces — such as a rifle barrel — a tailstock is vital to ensure accurate machining without distortion or chatter. Read more

The center of the tailstock is aligned with the center of the spindle if it comes from the factory. If the tailstock is added to a rotary table, the center height of the tailstock is matched to the center height of the rotary table. If you want to check the alignment, you would use an indicator sweep of the tailstock quill. Indicators can be mounted to either the lathe spindle or the rotary table faceplate. Tailstocks can be adjusted side to side, but if the center height is off you will either need to add shims if it is low or remove material if it is high.

There are manual, hydraulic, pneumatic tailstocks, and there are tailstocks with built in live centers. In the case of rotary tables, you can also get a heavy duty tailstock which looks more like a another rotary table to support heavy parts.

There are dead centers and live centers. Dead centers that do not turn are almost always used on manual machine tools or rotary table tailstocks. Live centers, with built in bearings, are commonly used on CNC machines and where higher RPMs are required.

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