BENCH FITTER

 

What does tapping mean?
Answer: - The process of removing the thread inside a clue by tap is called taping.

What is taping operation? 

Kisi round job pr under ki janib thread cutting ke liye tap ko use kiya hai.

What is tapping..??

Tap is an internal thread cutting tool.  By which bangles are cut inside the cylindrical hole.  It is a spherical piece of bolt shape design made of die carbon steel, die carbon steel, high carbon steel, or alloy steel and hard and temper  and temper).  Bangles (thread) are cut on its body. Two, three or four flutes are cut in the direction of length on the same churidar part which gives cutting edge to each thread.  These cutting edges do the job of cutting bangles in clues.
To cut the bangle by tap, it is drilled according to the size of the first type and finished by reamer. The tap should not be run in any hole without finishing.  The process of cutting a bangle by tapping is called tapping.

ٹیپ کرنے سے پہلے کچھ حفاظتی تدابیر

1ٹیپ کرنے کے لئے ، پہلے tap کے سائز کے مطابق ورک پیسی میں ایک سوراخ ڈرل کریں۔

2 سوراخ کرنے کے دوران ، chips باوری کو ہٹا دیا جانا چاہئے ا

3 ورک پیسی کو مضبوطی سے بینچ کے نائب میں تھامیں ، اس بات کو یقینی بنائیں کہ لیڈز عمودی طور پر بند ہوں۔

4 اس کی ٹانگ پر دائیں سائز کے نل رنچ کو فٹ کرلیں اور ٹیب کو نیچے اور دائیں اور (گھڑی کی سمت) گھماتے ہوئے جواب دیتے ہیں تاکہ موس کی چوڑی کا منہ آسانی سے پکڑے جائیں۔

5 دو تین چوڑیاں موڑنے کے بعد ، اس کی جانچ کرنا یقینی بنائیں۔

6 ٹیپ کے رنچ کو دونوں ہاتھوں سے متوازن کریں ، ٹیب کو دائیں سے بائیں منتقل کریں اور پھر ہر ایک موڑ کے بعد ، آدھا موڑ بنائیں اور اسے الٹا پھیر دیں تاکہ کٹ چپس ٹوٹ پڑے اور نیچے گر پڑیں تاکہ نل کے بغیر آگے کی سمت موڑ جاسکے۔  پھنس جانا۔

7 جب کاسٹ آئرن کے علاوہ تمام دھاتوں پر ٹیپ کرتے ہو تو ، دھات کے مطابق چکنا استعمال کرنا چاہئے۔

8 پہلے موس کو اسی طرح پیچھے اور پیچھے موڑ کر چوڑی کو ہٹائیں یہاں تک کہ چوڑی کی پوری لمبائی میں چوڑی کاٹ دی جائے ، پھر چوٹی کی پوری گہرائی اور ختم کرنے کے لئے پہلے کی طرح دوسرا اور تیسرا موس چلائیں۔ 

9 بند سوراخ (بلائنڈ ہول) میں چوڑی کو ایک طرف سے آخر تک داخل کرنے کے لئے ، اشارہ سے پہلے موس کو ہٹانا اور اس میں کٹ چپس صاف کرتے رہنا ضروری ہے۔  پھر چوڑی کی پوری گہرائی حاصل کرنے کے لئے دوسرے اور آخر میں تیسرا ٹیب احتیاط سے چلائیں۔

10 اور آخر میں موس کو دوبارہ باکس میں رکھیں اور اسے اپنی مقررہ جگہ پر رکھیں 

1 For tapping, first drill a hole in the workpiece according to the size of the tap.

2 While drilling, eye bawri should be removed at the mouth of the clue and a light chamfer should be installed.

3 Hold the workpiece firmly in the bench vice, making sure that the leads are clamped vertically.

4 First fit the tap directly into the clutch and fit the right size tap wrench on its leg and rotate the tab down and right and (clockwise) while answering so that the mouth of the tap bangle is easily caught.

5 After turning two-three bangles, make sure to check its tri-square.

6 Balancing the tap wrench with both hands, move the tab from right to left and then after each turn, make a half turn and turn it upside down so that the cut chips will break and fall down so that the tap can be turned forward without getting stuck.

7 When tapping on all metals except cast iron, lubricate should be used according to the metal.

8 Remove the bangle by turning the first tap back and forth in the same way till the bangle is cut in the full length of the clue, then run the second and third taps as before for the full depth and finishing of the bangle.  Causes for Breaking of Tab

9 To insert the bangle from one side to the end in the closed hole (Blind Hole), it is necessary to remove the first tap from the clue and keep cleaning the cut chips in it.  Then run the second and finally the third tab carefully to get the full depth of the bangle.

10 and finally put the tap back in the box and put it in its fixed place.

What is Dies..??

Dye is a bangle cutting tool.  Bangles are made by the dye on the diameter of any round pipe or bars.  The way bangles are made in any round hole by tap.  A special type of V Threads is made by making a hole in the middle of the dye.  To give cutting edges to these bangles, 3, 4, 5 or 6 holes are made in such a way that if the hole with the bangle is also cut a little, the cutting edge of the bangle is formed from that cut hole.  Dye Some bangles are chamferred by the grinder so that they can easily catch the bangles on the job while running the dye.  Alloy Steel or High Speed ​​Steel is used to make the dye and then the dye is done on Hard and Temper.

Types of Dies

Solid Die

Round split die

Adjustable Die

Die Nut

Die Plate

Pipe Die

Chaser Die

Acron Die

Some important things before cutting thread with die process..

1 جس پائپ کا قطر جس پر چوڑی بنانی ہے اسے پہلے رنگ کے مطابق بنانا چاہئے۔

2 * چیمپر کو پائپ پر لگانا چاہئے جس پر چوڑیاں نکالنی ہوں گی۔  تاکہ رنگنے سے آسانی سے چوڑی کو ہٹانا شروع ہوجائے۔

3 * پائپ کو میں براہ راست اور مضبوطی سے باندھنا چاہئے۔

4 * کٹنگ ہونے والے رنگ کو اسٹاک میں صحیح پوزیشن پر لگایا جانا چاہئے۔

5 ڈائی چلاتے وقت  coolant کا استعمال job پر اور ڈائی کی چوڑیاں پر کرنا چاہئے۔

6 * جاب کو اور ہینڈل کو دونوں ہاتھوں میں متوازن کرکے کرنا چاہئے۔

7 * ڈائی چلاتے وقت ، ایک گول سیدھا اور آدھا گول الٹا ہونا چاہئے۔

8 * چوڑائی کی پوری گہرائی کے لئے رنگ کو سکرو کے ذریعہ ایڈجسٹ (سیٹ) کرنا چاہئے۔

9 * جب عمل مکمل ہوجائے تو ، ڈائی ہینڈل کو اس کی 

مناسب جگہ پر رکھنا چاہئے۔

1 * The diameter of the rod or pipe on which the bangle is to be removed should first be made according to the dye.

2 * Champer should be fitted on the pipe or rod on which the bangles are to be removed.  So that the dye can easily start removing the bangle.

3 * The pipe or rod should be clamped directly and firmly in the voice.

4 * The dye should be clamped in the correct position in the dye stock.

5 * Lubricate should be used on the job and on the bangles of the dye while running the dye.

6 * Pressing the dye on the job should be done by balancing the handle with both hands.

7 * When running the dye, one round should be straight and half a round upside down.

8 * The dye should be adjusted (set) by the screw to make the full depth of the bangle.

9 * When the process is complete, the dye handle should be kept in its proper place.

What is reamer? 

Pahle se kiye gaye hole ko clean karne ke liye use kiya jata hai.

Bolt defined..??
Blot made of round rod.  It has a head cut toward one side and Threads cut at the opposite end, on which a nut is offered.  They are mostly made of steel yet for some specific purposes copper, metal, aluminum, tempered steel, high velocity steel, lylon.  (lilon) and so on are likewise made of metals.

What is the difference between bolt. screw and stud..??

A bolt is a threaded fastener which is mated with a nut.
Stud is an externaly thread headles fastener where One end mates with a tappd component and other with standard nut..
A screw has either self - made internal threads.

What is the bolt of uniform strength..??

According to structural engineers. a rock bolt is the bolt of uniform strength.

Portions of Bolt ..??

1. Head
2. Shank/body
3. . Thread
4. Nut

Kind of bolt..??



1. Hexagonal Head Bolt
The top of this jolt is in a hexagonal shape, this is the most regularly utilized bolt.  A spinner is utilized to turn its head.  The upper finish of its head is chamfered at a point of 30 °.  Its length is estimated barring the head.

2. Square Head Bolt.
It is squar head bolt.  It is utilized where the head needs to find a way into the grooves.  For this, the notch is additionally square so the jolt doesn't rotate.  The upper finish of its head is likewise chamfered.

3. Cup Head Bolt
Its head is round.  It can't be gotten by any spanner.  Therefore a square nose or cozy is shaped under the round head, which doesn't permit the bolt to turn while tightening.  It is generally utilized in railroad lines or wood works.

4. Eye Bolt.
It is utilized for lifting substantial machines.  It resembles a round ring on one side and churidar part on the opposite side.

5. T Head Bolt.
It is utilized for cinching on the machine table.  Its head shape resembles the letter 'T' in English, so it is fitted in the T spaces of the machine table.

6. Counter Sunk Head-Bolt.
It is utilized where the bolt head is to be put underneath the top level surface of the part.  There is additionally a cozy or square neck nose under some head.

7. Headless Bolt.
It doesn't have a head, however rather has a head taper.  It is utilized in shaft couplings.

8. Hook Bolt.
Its head is collapsed into the state of the snare and a square nose is shaped under the hook.  It is utilized to fix sheets with point iron.

9. Cheasel Head Bolt.
It is utilized where there is less space.  Therefore, its head is round tube shaped and has a pin under the head, with the assistance of which it is kept stable.

10. Shackel Bolt.
Its head comprises of a space or opening and a fork: a cross through the hole.  It is utilized to change the speed, ie, roundabout movement is changed over into longitudinal movement.

11. Foundation Bolt.
They are utilized to fit machines on the floor.  Some of their parts are pushed down into the floor and the machine is fixed by putting the machine on the upper part with the goal that vibrations don't occur.  There are likewise four sorts

12.  Anchor Bolt
It is utilized to join objects to concrete.  The bolt is ordinarily positioned in the solid with the head before it is fixed so the stringing end is uncovered and prepared for use.

13. Holder fasteners don't have a place with this bolt.  There are two kinds of bangles on the body, one is side machine bangles and one side is the tight bangles in wood.  Technically, holders are fastener studs, and can be utilized to fix and associate wooden parts.  Screw-in-stud mounting can generally hold around 300 pounds.

14. Carriage bolt.
This fastener has a smooth round head and a square segment under the head that holds the screw consistent while tightening.  Carriage screws are additionally called round head square neck screw and are utilized to secure metal to wood. 

15. Lift bolt.
Elevator bolt are an enormous level head and are usually utilized in transport framework arrangement.

16. Arbor Bolt.
These bolts have for all time connected washers, and bangles are made on the body beneath the head.  They are intended for use in certain devices.  So that the gear stays safe.

17. Bent Bolt
Like most conventional bolts, band bolts are not straight bolts.  The end is collapsed or molded to meet unique prerequisites, for example, shifted at right angles.  Bent bolts are utilized in a wide assortment of enterprises, including waterworks, steel manufacture, metal structure, and other specific kinds of work.

18. Lag fasteners,
Its called slack screws and not really screws, have a hex screw head and string screw tip with the goal that it tends to be utilized in wood materials.

19. U-bolts
Used to brace at least two sections together.

20. J bolts
utilized for tie-downs.  Helps in protecting the material or hardware.