When processing beads, it is necessary to adjust the drilling speed according to the bead diameter, and the high effect of drilling speed is good. More than 15mm drill drilling, bead diameter 5-12mm recommended 1500-2000 rpm, 15-20 recommended 1200-1500, turn, diameter 22-30 of the recommended 800-1200 turn, such as smoke calorific value, reduce the speed. Tungsten Carbide Alloy beads Drill Do not use on the drill electric grinder. High-speed steel tool drilling speed do not exceed 1500 rpm, high-speed steel tool processing high-hardness wood needs to minimize the drilling speed. High-speed steel tools can be used to process hard wood, but to master the use of skills. Reduce the speed and the gap into the knife, all have effect.
Processing precautions:
Drill Core just on board, you can slowly drill down, gradually grasp the drill core can withstand the pressure, until which speed method to play positive, not eccentric, with that speed, (because according to different hardness of the material, it is difficult to achieve a standard) feel the core of drilling, can lift the lever, and then fall, Look at the drill core and hole position is not another line, if there is a deviation, please do not pre-molding correction, such as the correction will not be able to locate, the beads must go up and down round dislocation, the two arc tip on the board to slow, hit to 2mm depth, can appropriately increase the pressure speed, such as the board if the swing up, should But be aware that only downward pressure is applied. In turn, the drilling core has lost the role of drilling, only play a role, so at this time drilling core concentricity more important, start drilling, drill core into the hole, depending on the drill core and small hole position, adjust the location of the wood to make the drill core just fell into the small hole, drill the semicircle like the semicircle. Small diameter processing by hand to press the wood processing, can be a side leaning on the patron, the thumb against the other side, the index finger middle finger hold the top of the wood, this method can greatly improve the processing positioning .
Bead-raising, high-speed steel cutting tool is far less than tungsten carbide alloy tools, the solution is, wood crosscutting, play vertical lines, do the smooth grain beads, the smoothness is very high, wood loose wood is very easy to fluff and potholes, as far as possible to choose a large number of knives.
Tungsten carbide tool processing beads 25mm above the required pressure strength of not less than 50KG best on vises processing.
Lead to dislocation summary: Drill head, drill core and spindle different heart, arc tip of the front and back positioning is not allowed, the speed of the knife will be misplaced.
It is strongly recommended that:
carbide beads Knife, do not wood edge, take the edge of the bead, cracks, rot place to take beads, or the loss of the knife rate is quite high, can not reach the conditions of the choice of high-speed steel tools.
Small material clip on the vises, pressing the side of the jaw can not be the middle of the type, because after the hole, the middle hole in the wood produced, the void appears to lose pressure, will occur unpredictable events.
Continuous improvement of the process, with the latest use of the method we will continue to add.
Advantages and disadvantages of cemented carbide beads knives and precautions for use
Note: Be sure to adjust the drill core before use, if it is not adjusted, it is easy to eccentric, it is easy to lead to make beads not round, the knife is easy to bad. Do not tighten the screw on the side, to evenly force on both sides. On the top, generally first on one side of the not too tight, and then on the other side, if one side on too tight, so fine a little harder will pressure eccentric
How to use:
1. equipment requirements, hand drills, bench drill, engraving machine, polishing sandpaper, wood wax and so on.
2. first saw the plank you need specifications, such as 50MM diameter of the ball, the thickness of the plate is 50MM. Be sure to keep the planks flat,
3. Secure the board to the Workbench, install the tool, drill a hemisphere, and then turn the sheet into the other side of the sphere.
4. polish the finished wood ball and polish it to the desired effect.
5. The general wood wax can come out very good effect, such as the effect of beeswax better.
Precautions for use of alloy cutters:
Alloy cutting tools mainly processing hardness of the material, in the process of processing need to pay attention to some processing matters:
1. the speed of the tool must be reasonable, the general speed of 1000 to a.
2. the process must ensure that the flatness of the sheet, otherwise prone to the drill bit broken, or the processing of beads is not round phenomenon.
3. Clamping Tool finally do not use screws to tighten, easy to cause bit deflection,
4. After the bead is finished polishing the grinding process, so the choice of tools should be a larger tool.
5. Sanding beads need to choose a better wood wax, polished out of the beads to be more perfect.
More information can be found in the Alpha Tools, manual tools for foreign simultaneous sales
How to use beads knife correctly