Forging plant processing knowledge

Forging plant processing knowledge

1: What kinds of hammers are commonly used by riveters?

A: There are hand hammers, sledgehammers, type hammers.

2: What kinds of chisels are commonly used by riveters?
Answer: have flat chisel and narrow chisel two big kinds.

3: What is steel?
A: An iron-carbon alloy with less than 2.11% carbon is called steel.

4: What is high carbon steel?
A: Steel with more than 0.6% carbon is called high carbon steel.

5: according to the use of steel can be divided into several categories?
A: It can be divided into structural steel, tool steel and special purpose steel.

6: steel according to its end shape can be divided into several categories?
Answer: it can be divided into plate, pipe, profile and wire.

7: What are the two basic methods of steel deformation correction?
A: There are cold correction and heating correction.

8: What is assembly fixture?
Answer: refers to the process equipment used to exert external force on parts in the assembly process, so that it can obtain reliable positioning.

9: How many kinds of basic methods are there for cold correction?
A: There are manual correction and mechanical correction.

10: what are the types of heating correction?
Answer: divided into full heating correction and local heating correction.

11: how many kinds of local heating correct the shape of the heating area?
Answer: have dot shape, line shape, triangle three kinds.

12: What kinds of Angle steel deformation?
A: There are three kinds of distortion, bending and angular deformation.

13: What kinds of deformation of channel steel?
A: There is distortion, bending, local deformation of the wing plate.

14: What is cold correction?
Answer: the correction that undertakes below normal temperature again calls cold to make correction.

15: What are the steps involved in separation?
Answer: including blanking, punching, cutting three processes.

16: What is stamping?
A: The process by which sheets are separated or formed into parts.

17: What are the advantages of stamping?
Answer: Product quality is good, productivity is high, save material, reduce cost, easy to realize automation.

18: What is bending molding?
A: The processing method of bending the blank into the desired shape.

19: What are the three basic forms of riveting?
A: Butt joint, lap joint, corner joint.

20: What is riveting?
A: Use rivets to join two or more components into a whole.

21: How many kinds of rivets are commonly used?
A: There are semicircle heads, countersunk heads, countersunk heads, flat heads, conical heads, flat round heads, flat heads.

22: What kinds of riveting are there?
A: There are strong riveting and dense riveting and tight riveting.

23: What is assembly?
Answer: each part in accordance with certain technical conditions combined into a component of the weight.

24: What are the three elements of assembly?

A: Positioning, support, clamping.

25: What kinds of connection methods are there for metal structures?

A: There are welding, riveting, bolting, riveting mixed joint.

26: What are the commonly used tools for sample prevention?

Answer: pink line, chalk pen, drawing needle, ruler, sample blunt, hammer.

27: What are the main methods for finding intersecting lines?

A: Well line method, auxiliary plane method, spherical method.

28: What are the methods for finding the real length of a line segment?

A: Rotation method, right triangle method, face change method, branch line method

29: What are the methods of making an expansion diagram?

A: There are drawing methods, calculation methods.

30: What are the common expansion methods?
Answer: There are parallel line method, radiation method, triangle method.