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NEWALL MEASUREMENT SYSTEMS LTD
HEAD OFFICE
Newall Measurement Systems Ltd.
Technology Gateway, Cornwall Road
South Wigston
Leicester LE18 4XH
United Kingdom
Telephone: +44 (0)116 264 2730
Facsimile: +44 (0)116 264 2731
Email: sales@newall.co.uk
Web: www.newall.co.uk
Newall Electronics, Inc.
1778 Dividend Drive
Columbus, OH 43228
Telephone: +1 614 771 0213
Toll Free: 800.229.4376
Facsimile: +1 614 771 0219
Email: sales@newall.com
Web: www.newall.com
023-80620-UK . June 2006
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Summary of Contents for Newall SHG-A Series
- Page 1 NEWALL MEASUREMENT SYSTEMS LTD HEAD OFFICE Newall Measurement Systems Ltd. Technology Gateway, Cornwall Road South Wigston Leicester LE18 4XH United Kingdom Telephone: +44 (0)116 264 2730 Facsimile: +44 (0)116 264 2731 Email: sales@newall.co.uk Web: www.newall.co.uk Newall Electronics, Inc. 1778 Dividend Drive...
- Page 2 NEWALL MEASUREMENT SYSTEMS LTD SHG-A* Absolute, SHG-TC, SHG-TS & SHG-VS Linear Encoders Installation Manual THIS MANUAL SHOULD BE USED IN CONJUNCTION WITH WITH THE CORRESPONDING PROTOCOL DOCUMENT...
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Page 3: Table Of Contents
Single End Mounting ............6 Scales in Excess of 2.5 Meters..........7 5.0 Fitting The Scale Guard ..........9 6.0 Cable Routing ............10 7.0 Final Check..............10 Appendix A - Scale Bracket Mounting Options ....11 Appendix B - Dimensional Drawing ........12 Newall Measurement Systems... -
Page 4: Bracketry
If custom brackets are needed, make certain they are rigid enough not to allow any flexing or distorting while the machine is in operation. Newall offers a variety of bracket kits to aid in the installation. Contact Newall or your local authorised representative for details. -
Page 5: Encoder Assembly
+/-0.05mm (0.002"), (Refer to Figure 3.1). Figure 3.1 - Alignment of the reader head Final adjustments can be carried out by use of laminated shims, which are included with each transducer assembly. Each layer of shim is equivalent to 0.05mm (0.002"). Newall Measurement Systems... -
Page 6: Mounting The Scale
Fit the pillar(s) to the machine casting by using one of the methods shown in Figure 4 .3. The pillar should fit square and flush to the machine surface. Newall Measurement Systems... - Page 7 Do not secure the support pin to the scale at this time. Transfer punch through the support link and into the machine casting. It is important that the support link be kept square to its mounting surface at all times. Newall Measurement Systems...
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Page 8: Single End Mounting
M5 jacking screws. When the alignment is complete secure the scale by inserting the M5 screw and washer through the mounting block and into the calibration adjustment end of the scale. Newall Measurement Systems... -
Page 9: Scales In Excess Of 2.5 Meters
Slide the set-up tube into the reader head, assemble the remaining scale bracket assembly including the jacking plate (if required) and slide onto the tube. Set the outside edge of the scale clamp level with the mark that indicates the overall length of the scale and mark the fixing position for the bracket assembly. Newall Measurement Systems... - Page 10 It is important that the top face of the angle bracket is set to 58.5mm (2.3") from the bottom machined face on the reader head. Figure 4.6 - Long scale mounting and support details Newall Measurement Systems...
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Page 11: Fitting The Scale Guard
After the guard is attached, move the machine axis to both extents of its travel ensuring that the guard does not interfere with or rub against the reader head. Figure 5.1 - Fitting the scale guard (example shown using a Spherosyn™ scale) Newall Measurement Systems... -
Page 12: Cable Routing
Prior to putting the linear encoder into operation, slowly traverse the machine axis to both extents of its travel checking at all times that the cables are secure and that machine over travel cannot occur. Newall will not accept responsibility for linear encoder malfunction caused by over travel or damaged cables. -
Page 13: Appendix A - Scale Bracket Mounting Options
Appendix A Appendix A - SCALE BRACKET MOUNTING OPTIONS Outboard scale support mounting Scale supports inverted Newall Measurement Systems... -
Page 14: Appendix B - Dimensional Drawing
Appendix B Appendix B - DIMENSIONAL DRAWING Newall Measurement Systems... - Page 15 Appendix B (cont’d) Appendix B - DIMENSIONAL DRAWING Newall Measurement Systems...
- Page 16 Notes Newall Measurement Systems...
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