Drilling Apparatus
Contents
1. Diameter of Drilling 0 8mm to 2 8mm Dimensions 260 W x220 D x275 H mm Power Requirements 100 to 120V 60Hz AC 25W or 200 to 240V 50Hz AC 15W The specifications and appearance are subject to change without notice2. PT Drilling Apparatus User s Manual 1 SAFETY PRECAUTIONS 1 Don t use this machine for other purposes than drilling the lens and cutting the lens notch 2 While the machine is working don t touch the turning wheels to avoid getting injured 3 Don t use this machine when the power requirements voltage and frequency are not met you should be clear about the actual working power supply 4 Don t put the machine at the place of high temperature and sun shining 5 If any liquid or other materials come into the machine turn the switch off immediately and pull the plug out of the wall socket Please don t start the machine again until the machine is thoroughly checked and repaired by an expert in this line 6 Don t install other parts at will except the original parts of this machine 7 Don t have the machine too heavy working load don t dash any parts of this machine 2 NAMES AND FUNCTIONS OF COMPONENTS 6 1 Drill Bits Two drill bits of the same style drill a lens simultaneously from the upper and lower sides 2 3 Reamer Bore Adjuster Reams the drilled hole with high accuracy in the range of 0 8mm to 2 8mm in increments of 0 2mm 4 7 Switch To keep the drill bits and reamer running push the switch knob backward To run them momentarily pull the switch knob toward you 5 Handle By pushing this handle the lens is drilled 6 Lens Positioning Dial Sets the le
3. h the power on and on trial make a slight hole onto the point marked on the lens by pushing the handle carefully Fig 5 Then check to make sure the trial hole is made in place Lens positioning Dial 4 Practically drill the lens According to the material of the lens the following procedures should be followed For Plastic CR 39 Lens The lens can be placed either side of face up No cutting oil is necessary For Glass mineral Lens Place the lens back face side up Put the accessory cutting oil in the oil bath Fig 1 and soak the part of the lens to be processed in the cutting oil whenever drilling scraps become white and dry For Polycarbonate Lens Do not attempt to drill at a sitting but carefully and slowly drill by pushing and releasing the handle alternately several times over Fig 6 No cutting oil is necessary 5 DRILLING WITH SUCTION LENS HOLDER 1 Set the lens holder arm onto the hand rest Fig 7 2 Fix the lens with the suction cup and set it onto the holder arm Fig 7 3 Adjust the inclination of the lens so that the lens surface to be drilled is placed horizontally Fig 7 Suction 4 Adjust the height of the lens properly by turning a knob located under the hand rest Fig 7 6 REAMING DRILLED HOLE WARNING The reamer has a very sharp point Carry out this process with sufficient care to avoid any injury 1 Set the diameter of the hole to be finished by turning the bore ad
4. juster knob Fig 8 The bore can be adjusted in the range of 0 8 mm to 2 8mm in increments of 0 2mm 2 Insert the point of the reamer into the drilled hole on the lens then lift up the lens slowly until it touches the bore adjuster arm slightly Fig 9 amp 8 3 Turn the lens over and ream the same hole again in the same manner as the above 2 CAUTION Use the cutting oil when reaming a glass mineral lens In case the reaming process takes too long the clearance between both drill bits should be adjusted in accordance with the procedures for ADJUSTMENT OF DRILL BITS CLEARANCE in next chapter Bore Adjuster Knob The clearance between the upper drill bit and lower drill bit should be as small as possible but they must not touch each other The optimum clearances pushes the handle completely and to adjust it proceed as follows 1 Insert the accessory 3mm allen key into the hole on the top of the machine while pushing the handle completely Fig 10 2 To make the clearance smaller turn the allen key clockwise To make the clearance larger turn the allen key anti clockwise Fig 10 8 REPLACEMENT OF DRILL BIT 1 Remove the motor cap from the motor Fig 11 2 Grip the neck of the drill bit with a plier and turn the motor knob and the drill bit will come off Fig 11 3 To reset the drill bit follow the above procedures oppositely NOTE Both the upper and lower drill bits should be set so that th
5. ns position relatively to the drill bits The distance from an edge of the lens to the point to be drilled can be adjusted in the range of 2 0 mm to 8 0mm in increments of 0 5mm 8 Hand Rest Stabilizes the hand holding a lens for drilling properly 9 Oil Bath Contains the cutting oil to be used for drilling glass mineral lenses 10 Motor Cap 11 12 Notch Saw Wheel 13 14 Notch Adjust Knob 3 MARKING DRILLING POINTS ON LENS 1 First wrap up both surface of the lens with an adhesive tape to protect it from any accidental scratch 2 Put in place the dummy lens removed from the frame over the lens to be drilled and firmly fix both lenses each other with an adhesive tape Fig 2 3 Mark points onto the lens through the holes on the dummy lens with a marking pen Fig 2 4 Remove the dummy lens from the lens and check to make sure the points marked on the lens are placed correctly by applying each part of the frame to the lens as shown in Fig 3 Dummy Lens 4 DRILLING LENS 1 Put an edge of the lens to the lens check pad and adjust the lens position by turning the lens positioning dial so that the points of the drill bits exactly come onto the drilling point marked on the lens Fig 4 2 Hold the lens by hand and keep the lens surface to be drilled horizontally Adjust the height of the hand rest properly by turning a knob located under the hand rest so that your hand holding the lens can be stabilized Fig 5 3 Switc
6. ose edges align strictly Fig 11 As both drill bits are the same in size and shape they can be set to either position Motor Knob 9 SHARPENING DRILL BIT If the drill bit becomes dull in the long period of use itcan be sharpened on a whetstone by using the accessory drill bit holder Fig 12 Dey Fig 12 10 REPLACEMENT OF REAMER WARNING The reamer has a very sharp point Carry out this work with sufficient care to avoid any injury 1 Remove the reamer by loosening its setscrew located on the reamer chuck Fig 13 2 Insert the new reamer into the reamer chuck completely Then tighten the setscrew while gripping the lower drill chuck and reamer chuck by fingers so that both chucks don t play Fig 13 3 Check to make sure the reamer rotates without deflection 4 If there is any deflection on the reamer Depress the bore adjuster arm completely and release it from the reamer Then correct the deflection by gripping the haft of the reamer with a plier Fig 14 WARNING Do not attempt to bend the reamer with a plier gripping the edge part of the reamer Doing so can break off the reamer Lt OS A QEY be a Fig 13 Fig 14 Reamer Chuck Cat 11 ONE SIDED DRILLING WITH TWIST DRILL BIT By using an optional accessory one sided drilling attachment plastic CR 39 and polycarbonate lenses can be drilled with a twist drill bit of 0 8mm to 2 2mm 1 Take off both
7. the upper and lower drill bits in accordance with the procedures for REPLACEMENT OF DRILL BIT On Page 3 1 A Insert a twist drill bit Item TD 160 into the upper drill chuck firmly and set the lens receptacle Item TD 161 over the lower drill chuck Fig 15 3 Insert a twist drill bit Item TD 162 into the twist drill holder Adjust the position of the twist drill bit so that its point comes into the hole on the top of the lens receptacle by approx 1 0mm when the handle is pushed completely then tighten the setscrew on the twist drill holder Fig 15 4 Todrilla lens adjust the hand rest in a proper position so that the lens can be placed correctly and stably as shown in Fig 16 Then push the handle lightly and slowly Do not drill at a sitting Upper Drill Chuck Twist Drill Holder Twist a ais Drill eceptacie Bit Wd As Garret Fig 15 Fig 16 12 GROOVE CUTTING OPERATION INSTRUCTION Open the power switch Open the protecting covers Turn on the switch checking whether the saw wheels turning Choose the right size saw wheel 0 8mm or 1mm GI o e a a Tightly press the lens in your both thumbs on the working plate please keep s low when the lens meet the turning saw wheel 6 Moving lens at the desirable distance comparing the scale to get the accurate notch depth 13 SPECIFICATIONS Materials of Lens Acceptable Glass mineral plastic cr 39 Polycarbonate etc Possible
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