CR Clarke 1550, Operating Instructions Manual

Page 1: ...w crclarke com info crclarke co uk Product Data Sheet 1550 Diamond Edge Polisher Abbeon Cal Inc 1363 Donlon Street Unit 1 Ventura CA 93003 8387 800 922 0977 www abbeon com E mail abbeoncal abbeon com Operating Instructions ...

Page 2: ... Opening the Main Cabinet 11 10 Changing a Cutter Hub 12 11 Cutting Principles 14 Transport Parallelism 15 Transport Pressure 16 Feed Track Alignment 17 Cutter Cover 18 Spindle Tilt 19 Effect of Cutter Height Cutter Too Low 20 Effect of Cutter Height Cutter Too High 21 Effect of Panel Thickness on Cutter Height 22 12 Cutter Height Adjustment 23 13 Maintenance 25 14 Connection Diagrams 26 Abbeon Ca...

Page 3: ... will eliminate cracking problems if subsequently cemented The 1550 Diamond Edge Polisher is the first UK designed and manufactured machine for this process and will convert a good sawn edge to a polished edge at the rate of typically one metre 40in per minute The machine consists of three basic elements A high speed precision spindle onto which is mounted a cutter hub fitted with two polycrystall...

Page 4: ...nto the transport system 2 Always disconnect the machine from the mains supply before removing covers 3 Always wait for revolving parts to stop before attempting to adjust the machine 4 Always wear ear protection when using the machine 5 Never use the machine if any of the interlock switches are defective 6 Never attempt to bypass interlock switches Should there be any queries regarding Health Saf...

Page 5: ... 900mm 72in x 36in Cutting tools roughing 2 x polycrystaline synthetic diamonds Cutting tool finishing 1 x Monodie 4mm 0 2in single crystal diamond Stock removal per pass 0 75mm 0 030in Weights and Dimensions Width x Depth x Height mm 2375 x 572 x 915 Width x Depth x Height in 93 5 x 22 5 x 36 Weight 410kg 902lb Electrical specification UK Europe USA Voltage 220 240 208 220 Frequency 50Hz 60Hz Cur...

Page 6: ...fting points Option 1 is ideal when lifting the machine directly using a fork lift truck or hand pumped truck Options 2 and 3 should be used when lifting the machine with slings The machine has four adjustable feet and it is important that it is sited on a firm preferably concrete floor for maximum rigidity It need not be secured to the floor or necessarily truly level but at least one of the feet...

Page 7: ...ured blue must be connected to the terminal which is marked with the letter N or coloured blue or black The wire which is coloured brown must be connected to the terminal which is marked with the letter L or coloured brown or red North American Specification The wire which is coloured green must be connected to the terminal which is marked with the letter E or by the earth symbol or coloured green...

Page 8: ...cuit Rating 500mAF 5 Fuse Spindle Provides overload protection for the Spindle Motor Rating 2A T 6 Fuse Transport Provides overload protection for the Transport Motor Rating 5A T 7 Machine Functions On Off Button Pressing I switches on Spindle Transport and Extraction systems Pressing O switches these functions off 8 Speed Control Transport Adjusts Feed Rate of material through machine 9 Speed Con...

Page 9: ...e Counts the Total Number of machine running Hours This Counter cannot be reset 13 Hour Counter Cutter Hub Counts the machine running hours but can be reset by pressing the black push button inside the control enclosure see Diagram 4 below This counter can be used to monitor cutter life and should be reset when the cutter hub is changed Diagram 4 Cutter Hour Reset Button ...

Page 10: ...e material These adjustments should be made as follows Spindle Harder materials e g Cast Acrylic 50Hz Max Speed Softer materials e g PETg Polycarbonate 30Hz Min Speed Transport Harder materials e g Cast Acrylic Speed 2 3 Maximum speed that does not chip the edge Softer materials e g PETg Polycarbonate Maximum speed Switch on the machine as described in Section 7 above Set the spindle and transport...

Page 11: ...e the four cap head screws 1 and 2 in Diagram 5 below Note that screws 1 are much longer as they extend down to contact interlock microswitches beneath Diagram 5 Transport Securing Screw Positions Once the screws have been removed the transport assemblies can be pivoted open Diagram 6 below Diagram 6 Transport Systems Opened ...

Page 12: ...side There is a single handwheel 1 in Diagram 7 below which must be unscrewed The control enclosure will then hinge open giving access to internal adjustments see Diagram 8 below Note that the control enclosure is fitted with an interlock switch Diagram 7 Position of Handwheel for Opening Main Cabinet Diagram 8 Main Cabinet in Open position ...

Page 13: ...s shown in Section 9 above Remove the 3 screws 1 in Diagram 9 below which secure the cutter cover Lift the cutter cover off the machine Diagram 9 Removal of Cutter Cover Remove the central screw 1 in Diagram 10 below from the cutter hub Diagram 10 Removal of Cutter Securing Screw ...

Page 14: ... Refit the cutter cover Close the transport assemblies Cutter hubs are optically set so that they will be 0 05mm Therefore the machine can be run straight after a cutter change However for optimum results the cutter height should be checked and adjusted after each change Refer to Section 13 for details of checking cutter height N B It is imperative that the Diamonds are not touched during the chan...

Page 15: ...ed When dealing with these small amounts machine adjustments become imperative to optimum performance Below is a description of the machine adjustments which are available Should the machine not be performing these checks should be carried out in the order they are set out This will usually restore polishing quality ...

Page 16: ...mm Feed the material into the transport system 25mm above the feedtrack level When equal amounts of material protrude from either side of the transport system switch off Rock the material to check that it is being gripped equally across the transport system Diagram 11 Checking for even Clamping In the case of uneven clamping remove the material open the transport system and adjust the parallel set...

Page 17: ...13 Transport Pressure To check adjust transport pressure Open transport systems Turn the knurled knobs on the adjusters 1 below anticlockwise until they go slack Turn clockwise until they just tighten Note position of brass marker on scale Turn adjuster clockwise 3 25 turns Ensure that this is carried out on both front and rear transports Do not adjust while transports are closed the driveshafts w...

Page 18: ...l onto the outfeed track as it left the transport and could mark the finish on longer pieces Therefore the outfeed track is ground 0 75mm higher than the infeed track This height difference ensures that material is supported throughout the cutting process This element is critical to machine performance and must be appreciated in order to understand some of the principles below It is not however ad...

Page 19: ...oves finish quality The left hand section 1 on Diagram 15 below is level with the infeed track The central and right hand sections 2 on Diagram 15 below are level with the outfeed track The cutter cover is precision ground and individually fitted to each machine on assembly It is not adjustable by the user Diagram 15 Principles of Cutter Cover ...

Page 20: ...s approximately 0 3mm of clearance between the cutter and the material on the right hand side of the cutter revolution The spindle tilt means that the edge that is cut by the machine is slightly convex This would be measured as approximately 0 025mm over the full 55mm thickness capacity and can therefore be overlooked in terms of tolerancing Spindle tilt is factory set and should not be adjusted u...

Page 21: ...Diagram A As the piece continues the mark will hit the island leaving an echo of the original Diagram 18 Cutter Too Low Diagram B This will continue along the workpiece In extreme circumstances the downward pressure of the transport system will push the material onto the outfeed track pivoting the material on the corner of the island and lifting the rear of the material off the infeed track This w...

Page 22: ...polished This will leave the polished material above the outfeed track level Diagram 17 Cutter Too High Diagram A As the polishing continues the unsupported material starts to fall onto the outfeed track Diagram 18 Cutter Too High Position B As the material falls the cutter leaves marks along the edge of the piece being polished at random intervals Diagram 19 Cutter Too High Position C ...

Page 23: ... this position will vary depending upon the thickness of material being polished This is because of the spindle tilt as described above Therefore it may be necessary to raise the cutter for thick work and lower it for thinner work One increment of the spindle adjustment 0 025mm so one or at most two increments will be sufficient ...

Page 24: ...ed the handle will rest against the main body of the machine Index Plate 2 in Diagram 20 below This sets the cutter height The index pin fits through the appropriate hole in the Index Plate and into a mating hole in the adjusting collar 3 Note that the holes are arranged in two rows to give finer adjustment One hole represents 0 02mm height adjustment Handle 4 in Diagram 20 below This allows the o...

Page 25: ...en the main cabinet Unclamp the spindle Remove the index pin and place into its new hole Raise or lower the cutter using the handle until the index pin locates in the adjusting collar Push the handle to the right and at the same time clamp the spindle Should there be insufficient adjustment of cutter height please refer back to the manufacturer or distributor for assistance ...

Page 26: ...ed is the changing of cutter hubs Periodically the transport belts may require servicing please refer to the separate Service Manual for information regarding this Should there be any queries regarding the 1550 Diamond Polisher please contact the manufacturer or their nominated Distributor ...

Page 27: ...1550 Inst Issue 6 05 09 06 26 14 Connection Diagrams Abbeon Cal Inc 1363 Donlon Street Unit 1 Ventura CA 93003 8387 800 922 0977 www abbeon com E mail abbeoncal abbeon com ...