Darex V390 Operating Instructions Manual
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Darex V390 Operating Instructions Manual

Drill sharpener
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DAREX V390
Drill Sharpener
1/8" (3mm) to ¾" (19mm) size range
OPERATING
INSTRUCTIONS
07/19/04
PP11852KF

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Summary of Contents for Darex V390

  • Page 1 DAREX V390 Drill Sharpener 1/8” (3mm) to ¾” (19mm) size range OPERATING INSTRUCTIONS 07/19/04 PP11852KF...
  • Page 2 The Darex Story Darex Corporation began in 1973 in Beecher, Illinois. The D, A and R of Darex are the initials of three generations of the Bernard family; David, Arthur and Richard Bernard. David and his father Richard founded Darex. Grandfather Arthur Bernard, who earlier founded the Bernard Welding Company contributed his energy and guidance to Darex until his death.

  • Page 3: Safety Instructions

    This tool is equipped with an electric cord having an Follow instructions entitled “DAREX V390 Maintenance” in this Instruction Manual. equipment-grounding conductor and a grounding plug. The plug...
  • Page 4 Required under USDL Safety & Health Regulations for Ship Repairing, Shipbuilding and Chip breaking 129 CFR 1915, 1916.19171 SECTION I MANUFACTURERS NAME: Darex Industrial Corporation EMERGENCY PHONE NO: (541) 488-2224 ADDRESS: 280 E. Hersey Street, Building C Ashland, Oregon 97520 CHEMICAL NAME &...

  • Page 5: Specifications

    Before you sharpen your first drill bit Please take a few minutes to familiarize yourself with your new DAREX V390 Drill Sharpener and its basic parts and features (shown below). The time it takes to read this page and the remainder of the manual will be made up when you sharpen your first drill bits.

  • Page 6: Drill Information

    If the drill bit cutting lips are not higher than the heel, then the drill bit will not cut into the material. This is often referred to as negative relief (see page 6). The DAREX V390 Drill Sharpener is designed to grind a standard factory relief on your drill bits.
  • Page 7 QUICK STEP INSTRUCTIONS (Detailed instructions start on page 5) SELECT POINT ANGLE 1. Determine angle of your drill bit (A-1) 2. Set point angle from 118 to 140 degrees (A-2). 3. Set relief paddle to +1 for 118 or -1 for 135-degree point an- gles.
  • Page 8 Quick Step 5. Release the paddle and rotate the drill until the pawls grip inside the flutes. (narrowest width of drill) .(B-5) 6. Make sure drill tip is up against stop, tighten the chuck. Remove from the port. SHARPEN DRILL BIT 1.
  • Page 9 If possible, the first couple of drill bits you sharpen should be about 3/8” in diameter, or a large enough drill bit to see the detail of the point. Study the V390 familiarization diagram on page and the drill information on page 1.
  • Page 10 Detailed Instructions Cont. Pic 6 B. Carefully push the paddle back all the way to the rear and hold it there. (See Picture #6) C. In the bottom of the alignment port is a locating pin, (See Pic- ture #7) and located on the nose of the chuck is a milled slot. (See Picture #8) To insert the chuck into the alignment port, both the pin and slot must be aligned.

  • Page 11: Detailed Instructions

    C. See Illustration 15 STEP 4: Splitting the drill point You can split any drill point that the V390 is capable of sharpening. See below “Point Split Port Adjustment” diagrams and definition of a properly split drill point.

  • Page 12: Machine Adjustments

    Machine Adjustments Pic 16 A. Once the drill is sharpened, do not remove it from the chuck. Alignment Align the Point Split Tab Notch, on the chuck, with Point Split Tab Pin Slot on the point split adjustment bracket. Make sure chuck is held in- line and square with the point split port.
  • Page 13 Split Angle Adjustment: Thumbscrew If the chisel angle of the drill has changed due to the relief ground on the drill, then the point split rotational angle may need to be changed. To adjust the split rotational angle, loosen the thumb- screw, (See Picture #19) located on the point split port.

  • Page 14: Troubleshooting

    TIP: heel? A: The flat spots or chattering on a sharpened drill, is the result of Darex manufactures other an incomplete or irregular rotation of the chuck in the sharpening sharpeners capable of port. To correct, apply firm, not excessive inward pressure and ro- creating a variety of tate the chuck smoothly while sharpening.
  • Page 15 For example, turning the machine on its side will cause the circuit breaker to trip. Machine must be placed upright. If the unit won't start by following the above procedures call Darex Corporation at 1-800-547-0222 and ask for Technical Service.
  • Page 16 DAREX V390 MAINTENANCE Cleaning the DAREX V390 Pic 25 Unplug the Drill Bit Sharpener. Using a dry paintbrush or a cloth, clean the inside and outside of the Alignment, Sharpening and Splitting ports to remove any grindings that may have accumu- lated.

  • Page 17: Maintenance

    Maintenance Cleaning the electroplated CBN or diamond wheel These wheels are maintenance free. No truing or dressing is re- quired on these type of wheels. However, wheels should be cleaned on a routine basis. After removing the wheel from the unit, saturate with any type of oil-less solvent, such as Automotive Brake Cleaner.
  • Page 20 V391 BREAKDOWN...
  • Page 21 SA11130TA GRINDING WHEEL RETAINER W/BOLT PP11115GF V-ANGLE WHEEL - DIAMOND 180 PP11125GF V-ANGLE WHEEL - CBN 180 SA11335SA PS ADJT BRKT W SCREW (V390) PP11200CF WHEEL GUARD CASTING SA11610TA V-390 1/8-3/4 CHUCK W/SLOT PP11605TF CHUCK BODY V-390 WITH PIN SA11612TA...

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