What are the rewards for drill bit sharpening machines?

the drill bit grinding machines produced by purros are sold all over the world

  1. Save more than 70% of the cost of drill bits

 

  • 1). Old tools become new tools. A drill can be sharpened at a small cost. It saves you a lot of money.
  • 2). Old tools such as drill bit/milling cutter tool can be grinded and reused.
  • 3). The grinding capacity of each tool is only 0.4mm, and each tool can be grounded more than 10 times.
  • 4). It solves the problem of traditional manual grinding tool (non-standard, short life and long time).
  • 5). High grinding precision, extend tool’s life.
  • 6). It can not only grind high-efficiency drill bit, but also can grind common drill bit into high-efficiency drill bit.

 

  1. Improve machining efficiency by 3-6 times

  • 1). It takes an average of one minute to repair and grind a drill bit, with high grinding efficiency.
  • 2). Our bit grinding machine has high precision and good processing quality .
  • 3). The life of the drill grinding machine is long and the auxiliary time is small.
  • 4). This machines have fast to feed speed and high processing efficiency.
  • 5). The machines have been reduced processing procedures and improved work efficiency.

 

  1. Solve more than 80% of processing problems

  • 1). With one machine can repair and grind drill bits (milling cutter) of various diameters.
  • 2). The quality of the grinding machine is good, and the precision of the drill bit is guaranteed.
  • 3). Drill bit grinder can improve the cutting performance of the tool and improve the machining efficiency.
  • 4). The machines have small cutting load and long tool’s life.
  • 5). The drill bit grinder can reduce the breaking edge of milling cutter and improve the service life of milling cutter.
  • 6). Our grinder machine can solve the problems of hole deviation, hole expansion, hole shrinkage and burr in general hole processing.
  • 7). Using our machines will solve the problems of short drill life, low drilling efficiency and difficult chip discharge caused by deep hole machining.

 

  1. Provide perfect after – sales service

  • 1). Provide customers with the most professional and economical purchasing plan fro free of charge.
  • 2). Help customers to check the machine platform for free, and develop special grinding tool’s SOP.
  • 3). Help customers improve the processing technology and improve the processing efficiency for free of charge.
  • 4). Provide customers with professional tool’s knowledge and advanced processing technology for free of charge.

 

How to grind the drill to be sharp and durable?

How to grind the drill to be sharp and durable?

How to grind the drill to be sharp and durable?

  1. Sharpen the chisel edge to be a little bit shorter, but it can’t be removed, reducing the feed resistance.
  2. Take advantage of the opportunity to shorten the chisel edge and try to improve the negative land angle at the chisel edge. Increase the land angle of this place can reduce the cutting force, make drilling light.
  3. Use the larger Lip Relief Angle. Reduce friction resistance and make drilling easy.
  4. Reduce the point angle. The proper reduction of point angle can increase the positive pressure of the cutting edge on the cutting surface, which is the same with the v-belt drive. But too small will affect the front angle of the cutting edge.
  5. The holes with less strict aperture and roughness can keep the slight imbalance between the two edges. In this way, the hole diameter at the orifice is slightly larger, which can reduce the friction between the blade belt and the orifice wall.

If you choose a drill bit grinder to repair and grind your bit, it will save you a lot of trouble. Fool operation, simple, a few minutes to complete the bit grinding work.

Tips for using drill bits

Although the drill is worn out, it can be repaired by a drill bit grinder. However, in ordinary use, different drill bits also have many tips. If you do not know how to use the drill bits, it will cause serious damage to the drill bit. It is impossible to use the drill bit grinding machine for repair, and the cost will also increase.

Operation Tips

There are some pointers that, when followed, will retain the life of the above drill types.

  • Hard materials need slow drilling speeds, and soft materials need faster drilling speeds. And as the hole deepens, the speed decreases. For the precise recommended drilling speed, the HSS drill can see the following formula.
  • You can drill holes first to allow for more accurate drilling.
  • Always make sure the drill is sharp to ensure less load on the power tool and better cutting effect.
  • If you plan to drill down to a piece of wood, use a wooden pad at the back of the job to prevent the material from breaking.
  • To achieve better drilling results, the cutting fluid is applied to the bit when drilling metal (except brass and iron).
  • Large bit will transfer a lot of reaction force to the drill bit, so be ready to stick with it.
  • All drill bits should be regularly removed from their flutes and airflow should be added around the drill to cool it.
  • Always apply pressure on a straight line with a drill. You should have enough to keep the bit together, but not too much, the tool’s motor gear or the bit deflected.
  • To prevent material breakouts, reduce the pressure you apply and get the drill through the last part of the hole.
  • Be sure to let the drill cool naturally. Don’t force them to cool in water (or any other liquid).

Operation instructions of drill bit grinder

PG drill bit grinder operational processes, Drill Re-sharpener, Drill Bit Grinding Machine Manufacturers, drill bit grinder, twist drill bits, drill bit

How to use drill bit grinder?

Grinding of Cutting Lip Angle

Start switch, after the motor turns steadily, place the fixture group of the chuck on the right side of the grinding table. Make the notch of the fixing seat is aligned to the stepped surface.

Push it to the end until after grinding sound has stopped, then take it out and turn 180 ° .  Grind the other side in the same way until silent.

Do not hold the drill handle while grinding, the force will affect the center of the drill uneven.

Cutting Lip Angle adjustable Angle 90 ° ~ 135 °

 

Grinding of Lip Clearance Angle

When grinding the dead center, chuck fixed group in the dead center grinding, gently pushed to the bottom of the grinding wheel, in the end, after spinning around by the end of silent, then take it out and turn 180 ° . Grind the other side in the same way until silent.

When the dead center is ground, the clamping head fixing tool set moves up and down. The position of the center of the missing Angle line of the clamping head fixator is aligned with the locating pin on the grinding seat.

 

Grinding of Major Cutting Lip

Grinding major cutting lip, chuck fixed with a group in the chisel edge grinding, gently push the bottom wheel, spin to the right to silence, then return to the center, take out and turn 180 °, grinding to the silent on the other side in the same way.

All contact holes in the machine must be cleaned immediately after the drill has been ground for the next use.

Safety operation procedure for semi-automatic drill bit sharpening machine

Safety operation procedure for semi-automatic drill bit grinder

  1. The grinding wheel should be returned first, then the drill bit is mounted on the drill bit to adjust the Angle.
  2. When the drill bit turns normally, the machine meshes well and can be grinded. The protective cover should be complete and normal before grinding.
  3. Manual feed should be carried out slowly, especially when the grinding wheel is in contact with the drill bit.
  4. After the drill bit grinding is finished, exit the grinding tool and stop the lathe. The drill bit can be unloaded until it is stationary.
  5. After the drill bit is loaded, the wrench should be removed in time and not allowed on the chuck.
  6. When dressing the grinding wheel, put the feed handle in the neutral position, and after the grinding wheel turns normally, the it can be redressed. The fixture should be fastened, the feed should be slow; Wear protective glasses, the head should be avoided, the protective cover should be installed, the dust collection device should start. Replacement of new grinding wheel shall comply with the general safety regulations of the grinder.
  7. The workpiece should be put in place to prevent injuries.

Related articles: Top Safety Tips When Using a Drill Bit Grinder

PURROS drill bit grinder with best grinding wheel. Drill's Grinding Wheel, 4.5 grinding wheel, 3 grinding wheel, 4 grinding wheel, 6 grinding wheel, 7 grinding wheel, 8 grinding wheel

PURROS Drill bit grinder – Grinding wheel

  1. abrasive grain

The grinding wheel of different materials is suitable for grinding different kinds of cutting tools. Different parts of the tool need to be used in different sizes to ensure the best combination of blade protection and processing efficiency.

Alumina: used for grinding HSS drill bit. The grinding wheel is cheap and easy to be modified into different shapes for grinding complicated knives.

Silicon carbide: used to modify the CBN wheel and diamond wheel.

CBN (cubic boron carbide) : used for grinding HSS drill bit.

Diamond: used for grinding HM drill bit.

PURROS drill bit grinder with best grinding wheel. Drill's Grinding Wheel, 4.5 grinding wheel, 3 grinding wheel, 4 grinding wheel, 6 grinding wheel, 7 grinding wheel, 8 grinding wheel

PURROS drill bit grinder with best grinding wheel.
Drill’s Grinding Wheel, 4.5 grinding wheel, 3 grinding wheel, 4 grinding wheel, 6 grinding wheel, 7 grinding wheel, 8 grinding wheel

  1. Shape of grinding wheel

In order to facilitate the grinding of different parts of the tool, the grinding wheel should have different shapes. The most common ones are:

Parallel grinding wheel (1A1): grinding top Angle, outer diameter, back, etc.

Disc wheel (12V9,11V9): grinding spiral groove, the main of milling cutter, cutting edge, trimming blade, etc.

After a period of use, the grinding wheel needs to be modified (including plane, Angle and rounded Angle R). The grinding wheel must always be cleaned with the cleaning stone to clean up the chips to improve the grinding ability of the grinding wheel.

Maintaining Long Life of Your Drill’s Grinding Wheel

If you are into wood, metal or masonry work then you must use hand drills for grinding holes in material. The Drill Bits of your hand drill need to be sharpened from time to time. For which you need to use a grinding machine. Also drill bits can be expensive so sharpening them rather than replacing them is a more rational thing to do. You can get your drill bits sharpened from a hardware store which may take a while. This could lead to prolonged machine downtime and you being unable to get your work done on time. But if you own it then you need to maintain it to ensure it lasts for a long time.   Maintaining the hand drill itself does not take much. Taking regular care and carrying out some simple general maintenance work can do the job. Like making sure you clean it before putting it away and after you are done using it. You must keep it clean by using a soft brush to brush off wooden or metal scrapes off it and cleaning it with a soft cloth afterwards. You should oil it with a multi-purpose oil that lubricates it and protects it from rusting.

PURROS drill bit grinder with best grinding wheel. Drill's Grinding Wheel, 4.5 grinding wheel, 3 grinding wheel, 4 grinding wheel, 6 grinding wheel, 7 grinding wheel, 8 grinding wheel

PURROS drill bit grinder with best grinding wheel.
Drill’s Grinding Wheel, 4.5 grinding wheel, 3 grinding wheel, 4 grinding wheel, 6 grinding wheel, 7 grinding wheel, 8 grinding wheel

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What are the basic steps of using the drill bit grinding machine?

Follow these steps to use the drill bit grinder:

 

  1. Select the correct and reasonable grinding wheel (type and model).
  2. For the new tool, first check the main geometric parameters and record, especially to record the cutting edge, chamfering and horizontal blade of the drill bit or tool.
  3. First enter the data of the grinding wheel, and then enter the data of the drill bit sharpening machine.
  4. After the grinding, the main parameters of the cutter are tested and compared with the standard data of the tool grinding, and it is modified after comparison with the tool grinding standard until the whole grinding is finished.

PG drill bit grinder operational processes, Drill Re-sharpener, Drill Bit Grinding Machine Manufacturers, drill bit grinder, twist drill bits, drill bit

If you do not know how to choose the model of the drill bit grinding machine for your tool, you can contact us. We have professional customer service staff to help you find the most suitable product.

The drill bit grinding machines produced by PURROS are sold all over the world.

With many years of experience in the industry, PURROS has successfully surpassed the industry and reached the heights of success. Our company ensures that the selection of suppliers is based on various parameters, such as batch order, customization, latest technology and high quality raw materials.
We ensure that the drill bit grinders are strictly tested on various parameters to ensure the products reach the perfect range of customers.
Our highly effective professional team has conducted intense market analysis to ensure the quality of products has been strictly inspected. Moreover, we have successfully provided the perfect product line for customers all over the world.

The drill bit grinding machines produced by PURROS are sold all over the world.

We have professional sales staff to communicate with you to confirm the products. Welcome to contact us to learn more about the products.