GSC GS-27 Operation Manual
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GSC GS-27 Operation Manual

Drill grinder
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Drill Grinder
Operation Manual
Model : GS-27

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Summary of Contents for GSC GS-27

  • Page 1 Drill Grinder Operation Manual Model : GS-27...
  • Page 2 RECYCLING Do not dispose of electrical appliances as unsorted municipal waste, use separate collection facilities. Contact your local government for information regarding the collection systems available. If electrical appliances are disposed of in landfills or dumps, hazardous substances can leak into the groundwater and get into the food chain, damaging your health and well-being.

  • Page 3: Table Of Contents

    Index Safety Instructions .................. 2 Intended Use ................... 6 III. Machine Installation Instruction ............. 6 Machine Devices Introduction..............7 Dust Collection Adapter Assembly Steps ..........8 VI. Choose of Grinding Wheel & Collet ............9 VII. Chuck Set Assembly Steps ..............9 VIII.

  • Page 4: Safety Instructions

    I. Safety Instructions All personnel working with the machine must be properly trained in its operation, and must follow strictly on the operating instructions and procedures given in this and all associated manuals. The machine may only be operated by persons who are authorized and trained. The user of the machine must not remove, modify or obscure in any way the content or the readability of any safety label placed on or inside the machine.
  • Page 5 ● Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock. ● Avoid body contact with earthed or grounded surfaces, such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded.
  • Page 6 ● Never stand on tool. Serious injury could occur if the tool is tipped or if the cutting tool is unintentionally contacted. ● Never leave tool running unattended. Turn power off. Don't leave tool until it comes to a complete stop. Power tool use and care Do not force the power tool.
  • Page 7 ● Please use the air spray gun and duster to clean all sharpened dusts from the machine after finishing the grinding job. ● Direction of feed. Feed work into a blade or cutter against the direction of rotation of the blade or cutter only. Service Have your power tool serviced by a qualified repair person using only identical ●...

  • Page 8: Intended Use

    II. Intended Use This grinding machine is suitable for grinding and sharpening HSS / carbide twist drill. Universal Twist Drills NC Spotting Drills 120° NC Spotting Drills 90° Taper Shank Twist Drills Deep-Hole Drills Noss Drills Drills for Iron Frame (Centre point) III.

  • Page 9: Machine Devices Introduction

    IV. Machine Devices Introduction Handle Heel Grinding Shelf (III) Adjustment Scale (for twist drill) Web Thinning Web Thinning Grinding Grinding Shelf Shelf (II) (for twist drill) (for iron frame drill) Warning Sign Warning Sign Cutting Lip Grinding Cutting Lip Shelf (I) (for twist drill) Grinding Shelf Chuck Set...

  • Page 10: Dust Collection Adapter Assembly Steps

    V. Dust Collection Adapter Assembly Steps Thread the hex nut onto the suitable position of the threaded rod, align the end of the threaded rod containing the hex nut to the tapped hole of grinding wheel cover, and turn the threaded rod clockwise to thread the rod into the grinding wheel cover and tighten lightly.

  • Page 11: Choose Of Grinding Wheel & Collet

    VI. Choose of Grinding Wheel & Collet Please unplug the power cord before changing grinding wheel. Choose the proper grinding wheel according to the material of the drill. ● HSS drill use CBN grinding wheel (Standard). ● Carbide drill use SD grinding wheel (Optional). Choose the proper collet according to the drill diameter.

  • Page 12: The Use Of The Positioning Shelf

    VIII. The use of the Positioning Shelf The left side positioning shelf is for iron frame drills; ※ ① The right side positioning shelf is for twist drills. ② Preset the scale of the positioning shelf. (Fig. 8-1) ① Turn it by clockwise to the end. ②...
  • Page 13 (continued from previous page) Slot of clamping nut Parallel Cutting edge Web thickness Fig. 8-3 Fig. 8-4 If the drill's cutting edge is not parallel to the slot of the clamping nut, adjust the scale ※ and reposition the drill. (Fig. 8-5) Slot Slot Increase the scale...

  • Page 14: Twist Drill Grinding (Right Side Of Machine)

    IX. Twist Drill Grinding (Right side of Machine) Verify the drill’s point angle and adjust the angle of the cutting lip grinding shelf (I) ※ to the same before grinding procedure. (Angle adjustment available is 90° - 140°) Turn the power switch on and wait about 10 seconds until the motor rotation is stable. Do not hold the drill shank while grinding, it may affect the grinding accuracy.
  • Page 15 (continued from previous page) Heel Grinding (Fig. 9-3) � Insert the chuck set into the heel grinding shelf (III), align the slot of clamping nut to the two pins on the grinding shelf, push the chuck set gently until the grinding noise stops.

  • Page 16: Iron Frame Drill Grinding (Left Side Of Machine)

    X. Iron Frame Drill Grinding (Left side of Machine) Verify the drill’s point angle and adjust the angle of the cutting lip grinding shelf to the same ※ before grinding procedure. (Angle adjustment available is 160° - 180°) Turn the power switch on and wait about 10 seconds until the motor rotation is stable. Do not hold the drill shank while grinding, it may affect the grinding accuracy.

  • Page 17: The Use Of The Parallel Alignment Device

    XI. The use of the Parallel Alignment Device Align the parallel device with the two slots of the clamping nut, then connect them as shown in the picture on the right. Verify the parallelism of the drill’s cutting lip with the flat figure of the hole on the parallel device.

  • Page 18: Machine Maintenance And Clean

    XIII. Machine Maintenance and Clean Replacement of Grinding Wheel Do not exchange our grinding wheel with other grinding wheel ※ from other supplier! ① Unplug the power cord and make sure the power is off. ② Confirm the screw direction on the grinding wheel cover before Fig.

  • Page 19: Troubleshooting

    XIV. Troubleshooting Drill is positioned but incorrect result. ● Check the drill’s cutting edge is clean without scraps / iron ash. ● Check the scale of the positioning shelf. Preset the scale of the positioning shelf first and then adjust the scale. ※...
  • Page 20 127L02-2 2021.07...

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