Complete interpretation of quality drill bits second development

CNC deep hole drilling ( gun drill ) in recent years developed a deep hole

machining new technology. The traditional deep GUSHI circular blades  hole machining ( hole depth

and aperture ratio greater than 5 ) , requires drilling, boring , thick

hinges , grinding , and other procedures in order to process a higher

accuracy and lower surface roughness of the hole . The new technology is

the use of special tools and high-pressure structure of cooling and

lubrication systems , multi-channel processes described above can be

simplified to a considerable depth consecutive passes completed high

precision and low surface roughness of hole machining , high efficiency of

this process , significant economic benefits .
Excellent performance cutting fluid deep hole drilling deep hole drilling

process is one of the key technologies , deep GUSHI carbide drill bits  hole drilling cutting fluid

must have the following properties:
1 ) good cooling effect, eliminating the heat generated due to the

deformation and friction , inhibiting BUE formation.
2 ) Good high temperature lubrication, reducing friction and wear blade

and support to ensure the tool to maintain good lubrication at high

temperature cutting zone .
3 ) good permeability , chip , so that timely cutting fluid penetration

into the blade, and to ensure the smooth chip discharge . Thus , deep hole

drilling cutting fluid requires a high extreme pressure and low viscosity.
Mechanical products, styling products series occupies a large proportion .

Mostly the same series of styling products have the same or similar

contour features in traditional modeling methods for product design,

inevitably the model geometry the size and shape of the structure

repeatedly modified , adjusted and optimized , low design efficiency. In

order to improve design efficiency , styling products for serialization ,

you can use the parametric design method . Parametric design is the use of

a set of parameters to constrain the geometry of the product model , in

order to facilitate the realization of the variability of the product

model , design reusability and fast it can shorten the  GUSHI brick saws design and

development cycle and improve design efficiency , freeing the designer

from the tedious modeling work, put more energy into the model analysis ,

and improvement of innovative work, for subsequent finite element analysis

and formulation process ready to work .
The most widely used in the drilling of the twist styling products also

belong to the series , the same type of high-quality twist drill has

structural features are similar , but differ in terms of size parameters.

Based on high-quality drill design software , call the API target for

secondary development to achieve the parametric modeling of complex

spatial design twist front surface flank , flank , flutes and cutting edge

belt.

Ropes diamond core drills into Coring advantage

Coring Drilling Coring advantages:
1 auxiliary reducing tripping time, increasing net drilling time, drilling deeper economic effect is more significant;
2 core blockage can gain immediate, rock cores taken to improve the rate;
(3) reduce the manual workers;
4 screwed reduce unloading drill wear and  GUSHI tile cutter extend the life of the drill pipe, tubing reduce consumption;
5 Reduce sweep drill hole wear, unscrew and remove the chance of collision with the hole wall. Extend bit life;
6 reduce fluid suction and pressure loss of balance hole wall opportunity to reduce accidents hole;
7 reduce tripping rope mechanical wear and consumption;
8 reduce drilling bending, improve the quality of drilling;
9 drilled repeatedly in favor of the formation, to avoid the collapse of the hole wall blocks away;
10. Coring winch rope can devolve inclinometer in the drill, conducted inclinometer.
In short, Coring, can significantly GUSHI brick saws  improve drilling efficiency, ensure quality rock cores, reduce drilling costs. Coring Drilling need to have the condition:
In the core drilling, the realization Coring, you must have the following major technical conditions:
1 reasonable structure, reliable performance, including core drilling with salvage, positioning, suspension, messenger, single-action, de-regulation and security cards and other agencies rope core core tube and fisher;
2 Action flexible, durable tool ancillary equipment, including drill pipe holder, put lead, a coring winch rope, etc.;
3 high intensity inside and outside the flat drill with drill body and after quenching, the appearance of high-frequency hardening, hard chrome plating composed of male and female threaded joints;
4 long life and high efficiency of the diamond drill bit, the species has stepped table inlaid natural diamond drill bits, different lip surface shapes and natural progesterone diamond head table inlaid with a  GUSHI cutting disc for drill combination of impregnated diamond bits;
5. Adopt reasonable rules and coring drilling process technique.

wet core bits maintenance

Concrete coring machine maintenance:
1, regularly check the connection of the components of concrete coring machine, if loose should be timely adjusted.
 2, when the drill bit into the big macro suppliers GUSHI abrasive flap wheels Experimental Instrument Co., Ltd. Tel 13131796580, lithium grease should be added at the two threads.
 3, after the end of the drilling rig will be cleaned each part and add oil in the column and the rack.
 4, when the concrete coring machine gear box GUSHI circular blades  every six months for lithium-based grease.
Concrete coring machine structures:
  Rigs drilling vertical structure of two columns vertically downward direction from the gasoline engine, gearbox, spindle, drill, column, base lifting structure, cooling to the pump, running gear and other components.
 Concrete coring machine works:
  Rig the alloy material helical gear teeth induction hardened, can be durable wheels via a pair of belt driven rotary synthetic diamond drill work, lifting structure using advanced ball screw easy and convenient, thick-walled seamless steel column , after the precision grinding hard  GUSHI carbide drill bits chrome plating surface treatment, counterclockwise rotation of the drill bit and move up and down to achieve the purpose of drilling or coring.

Some of the major introduction of diamond core drills

First, what is the drill
Is used to drill a workpiece to drilling tools.
Drill generally just (W18Cr4V or W9Cr4V2) made of high-speed, divided twist, flat drill, center drill, countersink hole drilling, deep hole drilling, which is our twist fitter, machining the most common drill.
This is a paper I have to talk about is the main method of twist drill sharpening its restructuring. I began to talk about from the GUSHI sds hammer drill bits  twist, first introduces the basic knowledge under twist.
Twist the type and structure:
Straight shank twist drill into, Morse taper shank. Generally straight shank twist drill diameter 13mm or less in diameter Morse taper shank twist drills are in 13mm or more. Typically the twist handle, neck, working part, wherein the working portion and the guide portion, the cutting part. Specifically as shown in Figure
(A) the handle - is generally used to transfer the clamping force and a smaller diameter than Φ13 mm straight shank drill made it, no clear straight shank drill neck, the diameter of the drill, trademark etc. engraved on the handle directly. Φ13 mm and a diameter greater than generally made taper shank drills, taper shank drills taper is produced according to national standards, according to the size of the drill diameter and made Mohs 1 #, 2 #, 3 #, 4 #, 5 #, etc. taper, the larger the size of the handle numeral greater. Flat tail taper the ends for easy removal and transfer torque from the drill bit role.
(2) Neck - The neck is connected to the  GUSHI cutting disc for drill handle portion and a portion of the work, but also for the grinding wheel retraction drill is used, the diameter of the drill itself, materials and trademarks are engraved on the neck.
(3) working part - it is divided into two parts ① cutting guide and the guide portion twist to the right direction to keep working, and when re-sharpening drill bits, cutting guide portion and gradually become part and to work. The guide portion has two parallel helical grooves, is to be formed to accommodate the cutting edge and the removal of the chips and facilitate the input of the cutting fluid. There are two edges with a guide portion, its diameter is slightly inverted cone, every 100mm length, shank diameter is reduced to 0.05-0.10mm, both to guide the direction of the drill bit cutting, but also can reduce the drill hole wall friction. ② a key part of GUSHI abrasive flap wheels  the cutting portion of the drill bit, the flank twist of six, five blade consists of: a rake face comprising two, two rear flank, two sub behind the two main cutting edges, two auxiliary cutting edge , a horizontal edge, namely "a sharp three blade." As shown in Figure
Through these two points, I believe we have fully understood the basics of the drill point, so I can deeper introduce myself sharpening methods and steps up.
Twist mainly by cutting part of the cutting, but we have to start from the drill bit is also part of the transformation. Start sharpening my own way to start talking.

Security requirements of the blade Which points

Saw-cut steel composite panels, rock wool sandwich panel saw, cutting

copper blade, cutting blade iron, aluminum cutting saw, woodworking saw

blades, PCD saw blades, precision panel saw blade, multi-saw Saw, Saw

exclusive diamond quartz material, non-porous GUSHI colde saw blade  ceramic stone dedicated

diamond saw blades, diamond saw marble, granite diamond saw.
 Maintenance of the blade:
1 blade If not used immediately, it should be flat or use the hole to

hang up, or other items can not be stacked on the flat of the blade

foot, and pay attention to moisture, anti-corrosion.
(2) When the blade is no longer sharp cutting surface roughness, it

must promptly re-grinding. Grinding can not change the original angle,

and destruction balancing.
3 inner diameter of the blade correction, the positioning hole

machining, etc., must be performed by the manufacturer. If the process

is bad, will affect the product effect, and potentially dangerous,

reaming should not be over the original aperture 20mm, so as not to

affect the balance of stress.
Blade requirements:
1, when the work piece should be fixed to ensure that, in line with

eating knife profiles positioning direction in order to avoid abnormal

cut, or not to apply lateral pressure curve cutting, smooth feed to

avoid the impact of the blade contacts the workpiece, resulting in

blade breakage, or workpiece flying, accident.
2, work and found abnormal sound  GUSHI sanding disc for drill and vibration, cutting surface

roughness, or odor, you must immediately terminate operations, timely

inspection, troubleshooting to avoid accidents.
3, at the start and stop cutting cutting, do not feed too fast to avoid

broken teeth and damaged.
4, if the cutting aluminum or other metal, to use a dedicated coolant

to prevent the blade from overheating, resulting in tooth paste, and

other damage, affecting the cutting quality.
5, flutes and suction equipment to ensure smooth flow of slag device to

prevent slag accumulation into blocks, affecting production and safety.
6, when dry cutting, do not cut long  GUSHI tct circular saw blades hours, so as not to affect the

life of the blade and the cutting effect; wet sheet cutting, water jet

cutting should be added, to guard against leakage.

Status of high-grade blade matrix diamond saw and development prospects

Diamond saw blade is now widely used in the construction of stone, glass, ceramics, crystals, gemstones, iron and other materials processing and housing, roads, bridges, etc., with the continuous improvement and cost diamond saw blade production technology continues to decrease, it applications is still expanding, the demand continues to increase, now it has become an important part of diamond tools, diamond is the largest consumer of diamond tools. Diamond saw blade production methods and their  GUSHI dry cut blades application of the effect of different production methods and application performance saw blade, the method currently used mainly to suppress the production of sintered diamond saw, a few blades produced using electroplating method, there is a common method of cold pressing and sintering sintering, hot pressing and sintering welding three main ways. Saw another frequency welding welding and laser welding points.
    Currently, in the international market, there is still a monolithic saw a higher share, while the domestic market are based on a combination of multi-chip saw blade thickness of the same group saw a different diameter, this group saw blade on the saw and requirements are high, high production efficiency, but the production cost is high. But the group saw less demanding on the diamond saw blade sharpness, and past monolithic saw a substantial increase compared to the production efficiency, but also reduces the overall cost, which greatly improved the international competitiveness of Chinese-made stone. Trimming Saw prevalent in Ф300mm to Ф500mm welding-type blade, the international market for such demanding blade sharpness, taking into account the life of the saw blade and prices, the domestic market is too much emphasis on price, and thus the blade performance than Low. Saw a lot of modeling classes used in Japanese tombstone machining and interior decoration to GUSHI tct circular saw blades  the small size of the main blade Ф350mm below. Various methods are currently producing blades are in use, but still hot pressing the blade as much. In addition, according to the type of stone blades have marble, sandstone blades, granite blades and artificial stone blades of the points, the largest granite blade consumption, but high-grade marble cutting edge blade technology the highest degree of difficulty, artificial stone blade demand is gradually expanding.
  Construction is second only to diamond stone tools the second largest diamond tools diamond tools, the Western developed countries especially the United States very early use of diamond tools in engineering construction, to the present has been very popular and formed numerous varieties. On diamond saw blade variety, from the use of equipment or processing or use of objects such as different angles classification, this article will be divided into general simplify blade saw, saw blades and other specialty blades, blade and then classified according to the professional processing of objects , a common old concrete saw, saw blades new cement, asphalt saw blade, wall saw blades
  Diamond saw blade in a wide range of GUSHI stone drill bits  applications in developed countries, more mature technologies and standards, product and market segments have been, but with the further development of the technology of diamond saw blades, diamond saw applications will continue to expand, the market will continue to grow. Diamond saw domestic market has become the world's largest market, but aspects of the blade level, variety, range of applications and manufacturing technology there are still a wide gap with developed countries, regardless of technology or the market has much room for development, I hope the industry ambitious people to continue their efforts to eliminate the gap as soon as possible.

Diamond wheel clogging type description

1 ) embedded clogging mechanism and attachment type
  Embedded and dependent type jams are clogging debris mechanically filling in gaps in diamond grinding wheel produced . Fill power from two aspects, one is external , one internal, related to the physical, electrical , thermal , etc. factors.
 External factors : Grinding has a very important feature , so the grinding zone of debris under strong positive pressure is mechanically squeezed into the gap in the wheel surface . From the microscopic analysis of debris along the front of the slide abrasive , abrasive in front  brick saws of the local area with several layers of debris piled in the back of abrasive due to the role of high-speed rotating grinding wheel , forming a vortex flow area, whirlpool area significantly reduced air pressure in the negative pressure , so that part of the debris attached to the back of the abrasive grains to form abrasive flank dependent clogging material is attached to the majority of ash and particles. Electrostatic field : the relative speed of the grinding wheel and the workpiece is much greater than V V sand workers, ordinary grinder V s = 3 ~ 50m / s, the speed of high-speed grinder grinding maturity value is 50 ~ 80 / s, foreign trials at speeds up to 1.5m / s or less 200m / s ~ 250m / s, the speed of the workpiece . When the grinding wheel and the work of the relative motion , arranged according to certain rules of the charge in the grinding area, due to the grinding wheel and the workpiece surface electron escape will cause. Meanwhile , the grinding gas high temperature region will result in the shock due to the discharge , so that the neutral  abrasive flap wheels gas is ionized into positive ions and electrons. Some small areas in the grinding zone formed by a small electric field consists of the grinding wheel and the workpiece , the electric field , neutral atoms , positive ions, electrons , impurities, dust , not only the neutral atoms are ionized in the process , there are ion and electron recombination process. In the electric field , the polar part of the debris will be presented according to the principles of opposites attract , and the wheel opposite to the polarity of the debris is adsorbed on the surface of the grinding wheel . Since the electric field strength is small, so the adsorption force is weak, the wheel surface debris is not solid , but by means of mechanical pressure between the larger wheel and the workpiece, the wheel has been adsorbed on the surface of the wear debris can be stably embedded Wheel the gap between the surfaces . 2 ) blocking adhesion type mechanism : the majority of the grinding process of grinding the input power into heat, so that the grinding temperature up to 1200K or more points , in such a high temperature, rapid grinding of the first case of air circular blades  oxidation , the formation of low melting point metal oxides, metal oxides followed by those in the grinding zone was heated to high temperatures melt state , covering the surface of the wheel , when this part of the surface of the grinding wheel on participation once again in the role of the grinding force , and some squeezed open , some enhancement, increased affinity and adhesion with the wheel , and the workpiece is pressed adhered to the surface of a groove surface of the ridge . Through multiple stochastic grinding , many abrasive debris adhering four weeks , the grinding force increases, the temperature rises , thereby forming a vicious cycle of increased congestion, or the abrasive grain broken off, which is melt adhesive .