Today, rotary tables are become much more than an accessory or a miscellaneous attachment in all metalworking opportunities used in manufacturing to millwork to machine shops.
A rotary table is a milling machine attachment consisting of a round table with “T” shaped slots. And while it’s a very small part of a larger machine, a rotary table is a very important piece when relying on precision and productivity. They are being used across a wide range of industries from packaging to assembly.
It is estimated that two-thirds of all rotary tables are used for workholding (a vise or clamping solution), with the remaining one-third are used for measurement or metrology (the science of measurement). With applications involving workholding, rotary tables are used for positioning or rotary milling.
While most rotary tables are mounted flat, they can also be mounted so they rotate horizontally rather than vertically.
A rotary table can be used for:
• Cutting straight lines at any angle or degree
• Circular cutting
• Heavy-duty continuous cutting
• Creating large diameter holes
• Angle Setting
• Cutting complex curves
• Boring and spot facing with a milling machine
• Milling arc-shaped grooves or slots
• Cutting gears
• Drilling accurately positioned holes
• Producing parts
• And other milling work, just to name a few
Some rotary table applications are unique and private to the trade or manufacturer. Others are patented. For example, some rotary tables have been used in mass production equipment, industrial robots, optical, photonics, vision systems, machine tools, assembly, semiconductor equipment, medical component laser machining, electronic manufacturing and other high-performance industrial automation applications.
Each rotary table is designed specifically so it can be integrated and customized to specific machines and specific controls. With enhanced capabilities and reduced setup time, machinists save on production time and improve accuracy and output.
Troyke, a Cincinnati, Ohio-based firm specializing in the designing and manufacturing of rotary tables and tilting positioning systems, said no matter the application, the key is to have the best performing and most accurate rotary table. Troyke has been producing rotary tables for more than 60 years.
Rotary tables are available in vertical, horizontal and two-axis tilt models. Other types including clamping torques, load capacities, block nuts and hangers.
In utilizing Troyke rotary tables, a wide range of workholding solutions are available including 3J and 5C collet chucks; 3J and 5C pneumatic collet chucks; 3 Jaw scroll chucks; 4 Jaw chucks; large bore scroll chucks, and adjust true flat back chucks.
Troyke produces hundreds of different types of manual, powered, NC rotary, NC rotary-tilting tables as well as custom-specified tables as a standard. Currently, Troyke offers 17 different unit sizes ranging from 6.5” to 84” for accuracy on specific applications.
As a compliment to its rugged table design, Troyke offers manual and pneumatic tailstocks, plain bearing, pneumatic and hydraulic outboard supports.
As technology grows and changes, rotary tables will evolve to meet higher levels of technology and demand. Precision, accuracy and reliability will always remain as standards.
Author Resource:
Ben Froehlich is the President of Troyke Manufacturing Company , an industry leader in rotary tables and positioning systems since 1939.
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