Rotabroach CM/330C Operating Instructions Manual
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Rotabroach CM/330C Operating Instructions Manual

Pneumatic magnetic drilling machine
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Issue 9
Original Version
December 2011
PNEUMATIC MAGNETIC DRILLING MACHINE
Model No. CM/330/C
II 2G T4 II C D110ºC
This machine (Serial No
) is CE approved.
Rotabroach Ltd
Imperial Works, Sheffield Road
Sheffield, South Yorkshire
United Kingdom
S9 2YL
Tel: +44 (0) 114 2212 510
Fax: +44 (0) 114 2212 563
Email:
sales@rotabroach.co.uk
Web site: www.rotabroach.co.uk
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Summary of Contents for Rotabroach CM/330C

  • Page 1 II 2G T4 II C D110ºC This machine (Serial No ) is CE approved. Rotabroach Ltd Imperial Works, Sheffield Road Sheffield, South Yorkshire United Kingdom S9 2YL Tel: +44 (0) 114 2212 510 Fax: +44 (0) 114 2212 563 Email: sales@rotabroach.co.uk Web site: www.rotabroach.co.uk...

  • Page 2: Contents Of The Manual

    Issue 9 Original Version December 2011 CONTENTS OF THE MANUAL Specification Page 4 Safety measures Page 5 Operating instructions Page 6 Mounting of cutters Page 7 Remedies for hole making problems Page 7 Maintenance Page 9 Component parts of complete machine Page 10 Atlas-Copco Motor Page 12...
  • Page 3 Issue 9 Original Version December 2011...

  • Page 4: Specification

    Issue 9 Original Version December 2011 [1] SPECIFICATION ROTABROACH PNEUMATIC MAGNETIC DRILLING MACHINE MICRO-AIR MODEL NO. CM/330/C - II 2G T4 II C D110ºC Maximum hole cutting capacity in .2/.3C steel 52mm dia., 52mm deep. Arbor bore 19.05mm dia. (3/4" dia.)

  • Page 5: Safety Procedures

    Issue 9 Original Version December 2011 An in-line filter and lubricator must be used prior to the drilling unit and at a distance not greater than 5m. To achieve optimum service life and performance, lubrication should be applied at a rate of 50 cubic mm. of oil for each cubic metre of air consumed. Depending upon the type of supply fittings used, it may be necessary to vent the supply to be able to disconnect the drill unit from the supply.
  • Page 6 Pressure can then be increased sufficiently to load the motor. Excessive pressure is undesirable when using the Rotabroach Micro-Air machine, it does not increase the speed of penetration and may cause the motor to stall. The motor will restart when the excessive pressure is released.

  • Page 7: Mounting Of Cutters

    Issue 9 Original Version December 2011 Apply a small amount of light oil lubricant regularly to slide and arbor support bearing. Cutter breakage is usually caused by insecure anchorage, a loosely fitting slide or a worn bearing in the arbor support. [4] MOUNTING OF CUTTERS The following procedure is to be used when mounting cutters.
  • Page 8 Issue 9 Original Version December 2011 Poor hole quality, cutter Incorrectly re-sharpened, worn or Re-sharpen or replace not cutting, motor stops chipped cutter Coming down on swarf lying on surface Take care not to start a cut on swarf of work piece Check air supply Insufficient air pressure/volume Adjust set screws...

  • Page 9: Maintenance

    Issue 9 Original Version December 2011 [7] MAINTENANCE To be conducted only by authorised personnel In order to ensure that the unit is used to its full efficiency there are a few basic maintenance needs to observe. A regular check out of the machine will also ensure a prolonged «life» for the cutters and easier operation.
  • Page 10 Issue 9 Original Version December 2011 [8] PARTS LIST – CM/330/C Item Component Part No. Item Component Part No. Motor packing RD33117 M6 spring washer RD4207 Magnet RD43100 M6 socket head cap screw RD4098 Motor RD43105 Capstan arm RD33089 Housing RD33124 Plastic knob RD43091...
  • Page 11 Issue 9 Original Version December 2011...
  • Page 12 Issue 9 Original Version December 2011 [9] ATLAS-COPCO MOTOR Three-stage gear unit - for A0030 Ref No. Part No Description 39 (40-42) 4430 0563 80 Gear rim complete Gear rim (z = 47) 4090 0704 00 Lubricating nipple 0335 3508 01 Circlip (SB45) 4430 0559 00 Front part...

  • Page 13: Optional Extras

    Issue 9 Original Version December 2011 [10] OPTIONAL EXTRAS ROTABROACH CUTTING FLUID Specially formulated for maximum cutter life. Available in three sizes: 1 litre RD208 5 litre RD229 Chuck adaptor. RD33025 Enables the existing arbor to be replaced to utilize twist drill chucks.
  • Page 14 Issue 9 Original Version December 2011 NOTES:...

  • Page 15: Warranty Statement

    Rotabroach®, or its designated distributor within a period of (30) days from the purchase date, failure to do so will void the warranty. If the stated is adhered to Rotabroach® will repair or replace (at its option) without charge any faulty items returned.

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