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GRINDER MACHINE

 


What is a Grinding Machine..??

Grinders are instruments which are utilized for crushing work pieces. It creates a smooth completion on level surface. A crushing wheel is utilized in granulating machines for cutting.
Crushing wheel is covered with rough material . Each grain of grating materials cut a little piece of workpiece through shear deformation.There are various sorts of crushing machines dependent on purposes.

سرفیس grinder ایک ایسی مشین یا گرائنڈرز وہ اوزار ہیں جو جاب کو پیسنے کے لئے استعمال ہوتے ہیں۔  یہ فلیٹ سطح پر ہموار فنشنگ پیدا کرتا ہے۔ 

Surface Grinding process
Surface Grinding Machine is a machine where a pounding wheel is utilized as a cutting instrument for eliminating the material from the outside of the workpiece. It is additionally called a grating machining measure where abrasives are put on a superficial level and corners of the granulating wheel in order to do the completing interaction with substantially more exactness.
Every Abrasive molecule goes about as a solitary point cutting instrument while the crushing wheel, with brimming with abrasives called a multi-point cutting device.
Crushing Process is one of the broadly acknowledged completing activities on account of its material evacuation limit in an exceptionally little size of chips going from 0.25 to 0.5 mm.

مقاصد کی بنیاد پر grinding مشینوں کی مختلف قسمیں ہیں۔

Types of grinding machine.
Surface Grinding Machine
Bench Grinding Machine
Cylindrical Grinding Machine
Bench grinder:
Pedestal grinder:
Portable grinder:
Flexible shaft grinder:
External cylindrical grinder:
Internal cylindrical grinder:
Centerless Grinder:
Tool and Cutter Grinder:
Swing frame grinder:

سب سے زیادہ surface grinding machine  استعمال کی جاتی ہیں۔
تینوں میں عام طور پر استعمال ہونے والی سطح سرفیس والی مشین ہے۔  اب ہم سرفیس grinding والی مشین کے مختلف حصے اور ان کے فنکشن کو دیکھتے ہیں۔

parts of Surface Grinding Machine and their function

پیسنے والی مشینوں کے اہم حصے یہ ہیں: -
Main parts of Grinding Machines.
1)Base.
2)Table.
3)Column.
4)Abrasive Wheel.
5)Wheel Guard.
6)Abrasive Wheel Head.
7)Three types of traversing wheels.
8)Coolant Supply Nozzle.
9)section
10) Grating Wheel:

1) Base.
The base is base most piece of the pounding machine. It is by and large made of cast iron. It offers help to rest a piece of the grinder machine.

2) Table.
The table is laid on the base. This is where the workpiece is kept and held appropriately to granulate. It can move left and right evenly utilizing a navigating wheel known as Hand Traversing Wheel.

3) Column.
It is a vertical segment where abrassive wheel, wheel head and wheel monitor are mounted.

4) Abrasive wheel .
This is the principle wheel which pivots and eliminate materials from the outside of the workpiece and make it smooth. This wheel is covered with abrasives and along these lines can eliminate materials from workpiece surface without any problem.

5) Wheel monitor.
It is the front of the grating wheel or pounding wheel which ensure the laborer fro any kind of mishap.

6) Wheel Head.
The compartment is dropped vertically up or down utilizing a crossing wheel called Vertical Feed Hand Wheel . We move this wheel head so the granulating wheel can contact the workpiece.

7) Three kinds of crossing wheel.
I) Hand Traversing Wheel :- This crossing wheel is utilized to move the table is evenly left and option to change the workpiece with the crushing wheel.

ii) Cross Side Hand Wheel:- This navigating wheel is utilized to move the work table forward and in reverse way to connect among workpiece and pounding wheel.

iii) Vertical Feed Hand Wheel :- This crossing wheel is utilized to move the wheel head in vertical here and there course.

This three wheels are utilized to change the places of workpiece and pounding wheel so these two connect with one another.

8) Coolant Supply Nozzle.
The coolant supply spout is the used to embed spout in the pounding machine which cools the work district with the goal that the warmth isn't dispersed into the workpiece and rough wheel.

9) Section:
It is the vertical section where wheel head, Wheel Guard and Abrasive Wheel are mounted.

10) Grating Wheel:
This is the fundamental apparatus which is utilized to eliminate the material from the outside of the workpiece. It is covered with abrasives and consequently the exactness got is exceptionally high.

Working Principle
It utilizes a turning grating wheel to eliminate the material from the outside of the workpiece to make a level surface with a high surface completion.
The granulating wheel rotates on an axle and the workpiece is mounted on a responding table.
The responding table moves in a forward or reverse way and the workpiece is changed w.r.t. the granulating wheel position.
At the point when the force supply is given and appropriate speed is given to the pounding wheel, the granulating wheel pivots on the outside of the workpiece to eliminate the material from the outside of the workpiece till high precision is acquired.
The Aluminum oxide, precious stone, silicon carbide, and cubic boron nitride (CBN) are four generally utilized grating materials for the outside of the pounding wheels.

Some types of grinding machine

Tool and Cutter Grinder:
This grinder is utilized to sharp an apparatus or cutter.  The pounding wheel is fitted on the head and the work is secured by tying the work on the table.

Flexible shaft grinder:
It is additionally a convenient processor with a long adaptable shaft which is joined to an engine appended to a stand.  The crushing wheel fits on the finish of this adaptable shaft.  This grinding is likewise utilized by moving it to work.  This frequently prompts unpleasant pounding.

Bench grinder
It is a little size crushing machine which is fitted on a seat and used.  One granulating strip fits on each finish of its spindle.  One wheel is unpleasant and the other is fine.  This grinding is for the most part utilized for little size devices and parts for casual pounding.

Portable grinder
It is a little size grinding on which just one wheel fits.  This process is utilized by taking it to the work, for example this grinder is utilized where the work is huge and it can't be brought close to the grinder.  This regularly prompts harsh pounding.


Benefits of Surface Grinding Machine:
سرفیس grinding  مشین کے فوائد:
سرفیس پیسنے والی مشین کے فوائد مندرجہ ذیل ہیں۔
ایک اعلی سطح ختم تیار کیا جا سکتا ہے۔
یہ دھاتی اور غیر دھاتی سطحوں پر بھی ہموار سطح پیدا کرسکتی ہے۔
اعلی پیداوری
کسی ہنر مند آپریٹر کی ضرورت نہیں ہے۔
اس پر دستی اور خودکار آپریشن کیے جا سکتے ہیں۔
اس مشین پر کام آسانی سے انجام دیا جاسکتا ہے۔
یہ مختلف ٹولز اور کٹر کو grind کے لئے مفید ہے۔
یہ فلیٹ سطحوں اور بیلناکار سطحوں کو ختم کرنے کے لئے استعمال کیا جاتا ہے۔

>A high surface completion can be delivered.
>It can deliver a smooth surface on metallic and non-metallic surfaces moreover.
>High profitability
>No talented administrator is required.
>Manual and Automatic tasks can be performed on it.
>The work can be effortlessly performed on this machine.

disadvantage of Surface Grinding Machine:
سطح پیسنے والی مشین کے نقصانات:
سطح کی پیسنے والی مشین کے نقصانات مندرجہ ذیل ہیں۔
الٹ سمت میں grinding  نہیں ہوتی

>No crushing the converse way.
>The pounding wheel is continually corrupting and requires a lot of axle power.
>It is helpful for the granulating of different devices and cutters.
>It is utilized to complete level surfaces and tube shaped surfaces.
>Rough processing can be performed on the workpieces.

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