CBS–S – Single Cutter Solution

This versatile Controlled Boring System (CBS) is designed and built for heavy duty operation, yet the internal mechanism so precisely controls the extension and retraction of the single cutter that it can automatically perform a wide variety of complex precision machining operations from a single tooling set-up.

The ITS CBS S-Series has been specifically designed to address high speed forward and back boring applications in which large radial stroke is one of the prime considerations. The ITS CBS S-Series Controlled Boring Product Range is divided into a number of different models, each with a single interchangeable cutter designed to cut through a particular diameter range.

Ongoing product development continues to provide increases in basic unit lengths ‘L’ & ‘L1’, diameter change, cutter start diameter range and total cutting range. The table below is therefore included for guide purposes only, as many of our ITS products are supplied in customised form to suit specific client requirements.

The system is user specified in that customers can select the start diameters they require from the table below. The cutting range of a selected cutter is then calculated by adding the diameter change to the start diameter. For example, a CBS-S30 with a start diameter of 75mm would have a cutting range of 75mm to 135mm. It is therefore possible to achieve a total cutting range of 75mm to greater than 205mm with a single CBS-S30 by utilizing more than one cutter.

CBS–S – Single Cutter Solution

Applications

  • Valve Seat pocket geometries
  • Bonnet Cavities
  • Outlet Angles / Profiles in both Single Cavity and Composite Block Valves
  • Tubing Hangers with Internal Offset Bore Profiles
  • Otis type profiles
  • VAM taper threading

Adaptations to Machines

  • Camlock
  • Manual
  • Autochange
  • Autolatch
  • Autolock
Model NumberDiameter ChangeStart Diameter Range of Cutter SetTotal Cutting Range'L'L1'Diameter 'A'Diameter 'B'
CBS-S122430.0 thru 50.030.0 - 74.012040030100
CBS-S153037.5 thru 60.037.5 - 90.015040037.5100
CBS-S20*4050.0 thru 90.050.0 - 130.020040050100
CBS-S25*5062.0 thru 115.062.0 - 165.025040062100
CBS-S30*6075.0 thru 145.075.0 - 205.030040075100
CBS-S40*80100.0 thru 195.0100.0 - 275.0400400100100
CBS-S50*100125.0 thru 250.0125.0 - 350.0500500125125
CBS-S60*120150.0 thru 290.0150.0 - 410.0500500150150
CBS-S70*140175.0 thru 355.0175.0 - 495.0500500175175
CBS-S80*160200.0 thru 420.0200.0 - 580.0500500200200
Technical Specifications of the ITS Controlled Boring System may be subject to change without notice.?
ITS Controlled Boring System - European Patent Application No. 90 301 228.4, Patent No. 0382474.?
U.S. Patent No. 5120167. Japanese Patent Application No. 2-28144/90.

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