2016年7月14日星期四

Installation Of Grinding Wheel(一)

Grinding wheel: Central abrasive and a binder resin made of a circular abrasive through hole. Abrasive wheel is the most widely used as a maximum amount, the use of face, high-speed rotation, can the outer, inner circle, plane type and various other metal or non-metal surface of the workpiece when using coarse grinding, fine grinding and half grooving and grinding and cutting and so on.

Grinding wheel is the most important for a class of abrasive. Abrasive wheel is added to the binding agent, a porous body through compacts made of dried and calcined. Due to the abrasive, bond and different manufacturing processes, a large difference in characteristics of the wheel, so the grinding process quality, productivity and economy have an important impact. The characteristics of the wheel mainly determined by the abrasive particle size, binder, hardness, structure, shape and size and other factors.
1 classificationWheel variety.
The press can be divided into ordinary abrasive abrasive (corundum and silicon carbide) abrasive grinding wheel and the natural and super abrasive (diamond and cubic boron nitride) grinding wheel;According to the shape can be divided into flat-shaped grinding wheel, bevel wheel, cylindrical grinding wheel, cup wheel, disc wheel and so on; press binding agent can be divided into ceramic wheel, resin wheel, rubber wheel, metal grinding wheel. The main parameters of the abrasive wheel, viscosity, hardness, binding agents, shape, size and so on.
Since the wheel typically operate at high speed, before turning test should be carried out so that the use of (guaranteed wheel at the maximum operating speed, do not break) and static balance test (when working to prevent vibrations caused by the machine). Grindstone at work for some time, it should be trimmed in order to restore the grinding performance and the correct geometry.
2, propertyAbrasive wheel is the central and the binding agent made of a circular abrasive through hole

2016年7月12日星期二

Grinding wheel is the most important for a class of abrasive. Abrasive wheel is added to the binding agent, a porous body through compacts made of dried and calcined. Due to the abrasive, bond and different manufacturing processes, a large difference in characteristics of the wheel, so the grinding process quality, productivity and economy have an important impact.
Summary:
Also known as abrasive grinding wheel, grinding wheel by ordinary abrasive binder consolidated into a certain shape (mostly circular, the central through-hole), and has a certain strength of abrasive. Which generally consists of abrasive, binder and pore structure, these three parts is often called bonded abrasives three elements. According to different classification binding agent, a common ceramic (binder) wheel, resin (binder) wheel, rubber (binder) wheel. Abrasive wheel is the most widely used as a maximum amount, the use of face, high-speed rotation, can the outer, inner circle, plane type and various other metal or non-metal surface of the workpiece when using coarse grinding, fine grinding and half grooving and grinding and cutting and so on.

2016年7月11日星期一

In fact, all
Grinding wheel
Divided into soft, soft, hard, hard few. Each is divided into several levels. English by
Soft to hard into
: E,F,G,H,I,J,K,L,M,N,O,P,Q,R
And other. Hard sand wheel Abrasive
Not falling,
Metal shavings mill under easy to stick on the wheel,
Cause surface burns;
Soft abrasive grinding wheel
Easy to fall off, do not burn the workpiece, the grinding wheel consumed faster.



      
We speak of soft wheel, the wheel does not mean that such a soft crystal particles, but rather a strong combination of sand
Of soft,
Easier to fall off,
So that when the sand is ground a little too sharp not to fall off,
Under its new sharp sand
Continue grinding grain, which has been maintained
Abrasive
Sharp, and then a hard material is also a softness
.



  

   
If we use the head-on approach, there will be two-meet, each side of the situation, and the wheel material
Serious slippage occurs between the materials,
No one who approaches,
On the ground does not move.
Soft wheel applies to the amount of feed
Big
/
Large contact surface
/
Hard material
/
Poor heat resistance grinding
.
Hard wheel suitable for feed less
/
Soft material
/
Small ground contact surface of each grinding or narrow field
.



      
Wheel hardness choose the right time,
Grinding process to blunt the abrasive off on their own,
Exposing new sharp
Continue abrasive grinding.
If the selected wheel is too soft,
Not abrasive passivation off prematurely,
Not only increased consumption of the grinding wheel,
But also lose the right wheel shape and machining accuracy;
If the selected wheel too hard,
After the abrasive grains can not be passive and
When off,
Make abrasive grinding wheel surface voids between the debris is blocked,
Resulting in increased grinding force,
Grinding heat gain
More grinding temperature, so that the workpiece deformation even burn, and the surface roughness to improve productivity
decline.





      
Soft material with a hard grinding wheel reason it will not need to go into detail, soft material with a soft grinding wheel is not no,
Is too wasted effort,
Soft material and hard material is greater than the coefficient of friction, the soft sand on the surface of the wheel to fall off more easily,
sand
When grain is also sharp and lost,
No full capacity,
Wheel soon rebuilt,
There may even be more than the wheel
Wear soft material faster situation,
Or grinding does not move appears the phenomenon,
Then the grinding efficiency is greatly reduced,
and so
Then you should use a combination of strong hard wheel. Knowledge binding agent
,
Other articles repeat
.


Generally, when grinding hard materials, grinding wheel hardness should be lower; on the contrary, it should be higher. Non-ferrous metal toughness
Big wheel pore clogging debris easily, generally should not be grinding. To grind, you should choose a softer wheel. Correct
To form grinding and precision grinding,
In order to maintain a good shape accuracy of the grinding wheel,
You should choose harder wheel.
one
Grinding is often used as soft to medium-hard grade level wheel.

The technical hinder of easy decyclization of Ultra Dished No.3 Grinding-wheels was solved

The wheels are specially made for all kinds of jig grinder, tool grinder and complicated cutters. They are mainly used for the processing of all specifications of high-speed steel, hard-alloy rotary file, technical drill, and dentistry drill, milling cutter, stones and ceramic products. Wheel of every size and specification can be manufactured based on the actual condition of equipments and detailed requirements of clients.
Grinding-wheels are manufactured into different models and patterns according to specfic grindings and grinders. Ordinary Grinding-wheels include: Plain Grinding-wheel, Tubbish Grinding-wheel, Cup Grinding-wheel, Dished Grinding-wheel and Taper-cup Grinding-wheel etc.
We manufacture Diamond/CBN Grinding-wheels and abrasive-materials; Adopt of field of Glass and ceramic grinding; Metallic Grinding-wheels and Resinoid Grinding-wheels used in Glass-processing field; Polishing wheel; Diamond tools used to process magnetic and hard-alloy materials; in addition to irregular Diamond/CBN Grinding-wheels suit to different grinding.
Dished Grinding-wheel No.3 was developed under the premise combined practise-experience and theoretical knowledges. Compare with the last wheels, the Ultra-big Dished Grinding-wheels No.3 pocess the characteristics of Anti-decyclization, excellent capability for super-speed grinding, great wearable capability etc.

The Moving Of Grinding Wheel