MILLING/DRILLING ATTACHMENT Model No.CL251MH Part No.
SPECIFICATIONS Motor ................................................................................ 230V 50Hz 1ph Power Rating .................................................................... 150W Spindle Taper ................................................................... MT2 Spindle Speed .................................................................. 10-1300RPM Max. Spindle Travel ......................................................... 30mm Max. Dist. Chuck to Table ......................
Thank you for purchasing this CLARKE - Micro Milling and Drilling machine attachment, designed for use with model CL250M Variable Speed Metal Lathe Before attempting to operate the machine, please read this instruction manual thoroughly, and follow all directions carefully. By doing so you will ensure the safety of both yourself and others around you, and at the same time, you should look forward to the Press giving you long and trouble free service.
GENERAL SAFETY PRECAUTIONS FOR OPERATING MACHINERY WARNING As with all machinery, there are certain hazards involved with their operation and use. Exercising respect and caution will considerably lessen the risk of personal injury. However, if normal safety precautions are overlooked, or ignored, personal injury to the operator, or damage to property may result. 1. KNOW YOUR MACHINE. Read the manual carefully.
19. DO NOT STAND ON THE MACHINE. Serious injury could occur if the machine is tipped over. Do not store materials above or near the machine such that it is necessary to stand on the machine to get to them. 20. NEVER operate a machine when under the influence of alcohol, drugs or medication. 21. ALWAYS ENSURE THAT ADEQUATE LIGHTING is available. A minimum intensity of 300 lux should be provided. Ensure that lighting is placed so that you will not be working in your own shadow.
ELECTRICAL CONNECTIONS WARNING! THIS APPLIANCE MUST BE EARTHED The machine is fitted with a power cable with a plug attached. The plug should be connected to the socket at the rear of the Headstock of the CL250M Lathe. IMPORTANT! This appliance is fitted with a plug which is moulded on to the electric cable (i.e. non-rewirable) please note: The plug must be thrown away if it is cut from the electric cable. There is a danger of electric shock if it is subsequently inserted into a socket outlet.
PREPARATION On receipt, carefully unpack the components, ensuring that no damage was suffered in transit, and that all parts are accounted for. The following loose items are to be found in the packing case. Fig. 1 A. Spindle Lowering Lever. B. Handle. C. Chuck Key. D. Plastic Guard. E. Mounting Bolts w/washers Check the parts off against the above list. Should there be any deficiencies or damage, you should contact your CLARKE dealer immediately .
ASSEMBLY Ensure the power supply to the lathe is disconnected. If any accessories are attached to the cross slide of the lathe, they must be removed before fitting the Mill/Drill Head. Slacken the Tailstock securing bolts and slide it to the end of the bed and secure in this position. Bolt the Mill/Drill to the Metal Lathe as shown in Fig. 2, using the four hex. socket head bolts supplied, ensuring they are tight. Fig. 2 Fig.
OPERATION. Fig. 4 I n order to carry out milling or drilling operations, it will be necessary to provide some means of securing the workpiece. A quick action vise is available as an accessory from your Clarke dealer. The vise should be secured to the Cross Slide, using the two Tee bolts with nuts and washers provided with the vise, as shown in Fig. 4. Similarly, a means of holding and securing a Mill or Drill bit is required.
2. Lower the Head complete, using Handwheel ‘A’, until the Mill is a few millimetres from the workpiece. 3. Turn the handwheel ‘B’ clockwise until the Mill just comes into contact with the workpiece, then very carefully zero the scale by holding the handwheel steady and turning the scale independently so that the ‘0’ lines up with the mark provided on the head. The machine is now set and prepared for accurate Milling to a specific depth.
MAINTENANCE For maximum performance, it is essential that the Drill Press is properly maintained. Always inspect before use. Any damage should be repaired, and maladjustments rectified. If you are unable to rectify any faults, please contact your local dealer or Clarke International Service Division on 020 8556 4443 for assistance. Monthly (When in regular use) Check tightness of mounting bolts, and, head and column securing set screws.
ACCESSORIES The following accessories are available from your part number shown. dealer. When ordering, please quote the 1. Quick Vise With jaws 50mm wide, maximum opening of 37mm and 15mm deep. ‘T’ bolts with nuts and washers are provided for mounting to the CL250M Lathe cross slide. Part Number: 7610743 2 . Collet Set (MT2) Part Number: 7601851 A set of 6 Collets for use with the HSS End Mills: Insert the appropriate Collet into the spindle.
4. Mill Chuck Set Part Number: 7601853 A set of 6 collets with chuck with sizes: • 3mm • 4mm • 5mm • 6mm • 8mm • 10mm 1. Insert the shank of the chuck into the Mill Head Spindle and screw on to the end of the draw bolt, shown a ‘A’ Fig 7 on page 12. Tighten the draw bolt, holding the spindle steady by hand or by using a tommy bar (not provided) in the hole provided in the spindle. 2. Unscrew and remove the end collar ‘A’, insert the appropriate collet and reattach the end collar. 3.
PARTS LIST No: Description 133 134 135 136 137 138 139 140 142 144 145 146 147 149 150 151 152 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 170 171 172 173 174 175 176 Qty Part No: Handle bolt Handle sleeve Handwheel Leadscrew bkt Lifter Key 3*10 Fuselage Screw M6*18 Fuselage bracket Motor cover Screw M6*12 Spacing ring Motor gear Up cover plate Quill fixed plate Gear box Spindle quill Ball bearing Spindle base Safety cover Check ring 20 Spindle gear Spacing ring Nut M24*1.
PARTS DIAGRAM 15
