List any four G codes, give their meaning.

List any four G codes, give their meaning.  
by

1 Answer

Answer :

Answer:

image

by

Related questions

State the function of „G‟ Codes and „M‟ codes with any two examples.

Description : State the function of „G‟ Codes and „M‟ codes with any two examples.

Last Answer : G Codes ( Preparatory Functions) The preparatory function instructs the machine tool to get prepared for the operation to follow, the preparatory function is represented by two digits preceded by letter G e.g. ... . i) M02 - Program end ii) M06 - Tool change iii) M08 - Coolant ON

Give the meaning of following ISO codes. 1) M02 2) M30 3) G90 4) G91

Description : Give the meaning of following ISO codes. 1) M02 2) M30 3) G90 4) G91

Last Answer : Meaning of ISO codes. 1) M02-Program end 2) M30-Program stop & Tape rewind 3) G90 :- Absolute Dimensioning 4) G91:- Incremental Dimensioning

State the function of following codes: (1) G18, (2) G71, (3) M05, (4) M30

Description : State the function of following codes: (1) G18, (2) G71, (3) M05, (4) M30

Last Answer : G18 – aligns the arc plane with the X and Z axes G71-Metric Input or input in mm, M05- Spindle stop M30-End of program & reset 

List any four applications of forging process.

Description : List any four applications of forging process. 

Last Answer : Applications of Forging Process: 1. Connecting rod 2. Crankshaft 3. Camshaft 4. Spanner 5. Alloy wheel 6. Differential gears 7. Drive shafts 8. Clutch hubs 9. Universal joints 10. Hand Tools

List any four factors affecting selection of surface finishing processes.

Description : List any four factors affecting selection of surface finishing processes.

Last Answer : Following factors will affect the selection of surface finishing processes: 1. Material of component 2. Basic machining operation carried out on component 3. Dimensions of component 4. Final value (in µm) of machined surfaces 5. Application of machined surfaces 

List out any four applications of lapping and buffing.

Description : List out any four applications of lapping and buffing.

Last Answer : Applications of Lapping:  A. Hand lapping is used for i. Press work dies ii. Moulding dies iii. Limit gauges iv. Surface plates v. Engine valve and valve seat B. ... , bicycles, sporting items, tools, store fixtures, commercial and residential hardware and household utensils and appliances. 

List out any four characteristics of forged parts

Description : List out any four characteristics of forged parts 

Last Answer : 1) Forging produces predictable and uniform grain size and flow characteristics and has directional toughness. 2) Proper orientation of grains ensures the fatigue resistance and maximum impact strength. 3) Grain ... The forged parts have higher density. 6) The strength to weight ratio is high. 

State the principle used in Lapping. List four applications of Lapping.

Description : State the principle used in Lapping. List four applications of Lapping.

Last Answer : Principle of Lapping: Lapping is basically an abrasive process in which loose abrasives function as cutting points finding momentary support of the lap. The process has the following features. (a) Use of ... roller bearings ii. Gears iii. Piston rings iv. Slip gauges v. Crankshaft.

List four mechanical and chemical cleaning processes.

Description : List four mechanical and chemical cleaning processes.

Last Answer : Chemical Cleaning: 1. Alkaline cleaning 2. Acid pickling 3. Electrolytic cleaning 4. Emulsified solvent cleaning 5. Vapour degreasing 6. Ultrasonic cleaning Mechanical Cleaning: a. ... b. Tumbling c. Barrel rolling d. Power brushing e. Machine polishing & buffing

List the four hand tools used in forging.

Description : List the four hand tools used in forging.

Last Answer : Hand Tools used in Forging: 1. Hammer 2. Rigid Anvil 3. Hearth 4. Tong 5. Fuller

Define forgeability and give any four forgeable materials used to produce automotive components.

Description : Define forgeability and give any four forgeable materials used to produce automotive components.

Last Answer : Forgeability Forgeability can be defined as the tolerance of a metal or alloy for deformation without failure. OR Forgeability is defined as the ability of a metal to change size and shape when ... Columbium alloys 10) Tantalum alloys 11) Molybdenum alloys 12) Tungsten alloys 13) Beryllium.

List types of welding flames used in Oxy-acetylene welding. Write their characteristics and applications.

Description : List types of welding flames used in Oxy-acetylene welding. Write their characteristics and applications.

Last Answer : Types of Flames: Characteristics Applications. 1)Neutral Flame: When oxygen and acetylene are supplied to the torch in nearly equal volumes, a neutral flame is produced. It has two ... cone of whitish colour. 3) Bluish outer cone High Carbon Steel, non - ferrous alloys,

Name four component of CNC machine and write their functions.

Description : Name four component of CNC machine and write their functions.

Last Answer : Components of CNC machines The various components of CNC system are :- 1) Program Input Device:- It is the medium of transmitting the part program to the computer. Three commonly used program input ... to facilitate a two way communication between the user, CNC system and the machine tool.

Name four die accessories and write their functions.

Description : Name four die accessories and write their functions.

Last Answer : Die Accessories: 1) Stripper: To remove scrap material from the punch as it cleans the die block. 2) Pilots: The pilot positions, the stock strip accurately and bring it into proper position for ... . 6) Pressure Pad: It is used for drawing operation for maintaining flat surface of the cup. 

List the materials used in press work for automobile components parts with example.

Description : List the materials used in press work for automobile components parts with example.

Last Answer : Materials used in press work: 1) Aluminium, 2) Copper, 3) Brass, 4) Mild Steel, 5) Galvanized iron (G.I) sheets, 6) Duralumin, 7) Y-alloys, 8) Naval Brass, 9) Cartridge Brass, ... 8) Carburettor bodies 9) Valves 10) Combustion Chamber 11) Cylinder heads , blocks,  12) Gear box cases

List various surface finishing processes. Explain lapping.

Description : List various surface finishing processes. Explain lapping.

Last Answer : List of Surface Finishing Processes: [1] Grinding [2] Honing [3] Lapping [4] Burnishing [5] Buffing [6] Polishing Lapping Lapping is basically an abrasive process in which ... constantly changing. The effective path is of cycloid in nature. Figure shows the lapping process.  

List common equipments used for arc welding process.

Description : List common equipments used for arc welding process.

Last Answer : 1. A.C. or D.C. machine 2. Electrode (bare or coated) 3. Electrode Holder 4. Cables and its connectors 5. Chipping Hammer 6. Earthing Clamps 7. Wire-brush 8. Helmet 9. Safety Goggles 10. Hand Gloves 11. Apron Sleeves etc.

List various pressed products which are used in automobiles.

Description : List various pressed products which are used in automobiles.

Last Answer : The various pressed products used in automobiles are: 1) Gears 2) Crank Shafts 3) Automobile panels 4) Wires 5) Frames and Chassis 6) Connecting Rods 7) Springs 8) Carburettor bodies 9) Valves 10) Combustion Chamber 11) Cylinder heads , blocks  12) Gear box cases etc.

List the components of NC machines.

Description : List the components of NC machines.

Last Answer : Components of NC Machines: 1. Program input device  2. Memory storage 3. Microprocessor 4. Machine control Unit (MCU) 5. Drive system 6. Machine Tool 7. Feedback system 8. Programmable logic controller (PLC) 9. Machine control panel 10. Operator control panel 11. Tape Reader

List the parts of standard die set.

Description : List the parts of standard die set.

Last Answer : 1)Die 2)Die Block 3)Lower Shoe 4)Punch 5)Upper Shoe  6)Back Up Plate 7)Stripper

List various surface cleaning processes.

Description : List various surface cleaning processes. 

Last Answer : Answer: Surface cleaning processes I. Chemical Cleaning a. Solution b. Saponification c. Emulsification d. Dispersion e. Aggregation Depending on cleaning fluids used, types of chemical ... . Power brushing e. Machine polishing & buffing III. Ultrasonic cleaning IV. Flame cleaning 

List various types of flames used in gas welding.

Description : List various types of flames used in gas welding. 

Last Answer : Answer: 1. Neutral Flame 2. Oxidizing Flame 3. Carburizing Flame 

List applications of seam welding.

Description : List applications of seam welding.

Last Answer : Seam welding is used to produce leak proof joint required in 1. Small Tanks, 2. Boilers 3. Containers, 4. Radiators 5. Heat Exchangers etc.

Enlist any four forgeable materials.

Description : Enlist any four forgeable materials.

Last Answer : Following are the forgeable materials; Forgeable Materials:  1) Aluminium alloys 2) Magnesium alloys 3) Copper alloys. 4) Carbon and low alloy steels 5) Martensitic stainless steels 6) ... ) Columbium alloys 10) Tantalum alloys 11) Molybdenum alloys 12) Tungsten alloys 13) Beryllium.

Enlist any four operations carried out in forging process and explain fullering with neat sketch.

Description : Enlist any four operations carried out in forging process and explain fullering with neat sketch.

Last Answer : Operations carried out in forging process:  a) Upsetting b) Drawing Down c) Setting down d) Welding e) Bending f) Cutting g) Punching Fullering: In ... sledge hammer. The force is applied on the top fuller which results in decreasing the cross section at that point.

Enlist any four pressing operations.

Description : Enlist any four pressing operations.

Last Answer : Pressing Operations are as follows: a) Blanking b) Punching c) Notching d) Perforating e) Trimming f) Shaving g) Slitting h) Lancing i) Bending j) Drawing k) Squeezing

Enlist any four forging components.

Description : Enlist any four forging components.

Last Answer : Forging Components:  1. Connecting rod  2. Crankshaft  3. Camshaft  4. Alloy wheel  5. Drive shafts  6. Clutch hubs  7. Universal joints  8. Hand Tools

Enlist any four merit and demerits of mechanical press

Description : Enlist any four merit and demerits of mechanical press

Last Answer : Merit :- 1. Machine structure is rational and small. 2. It is very easy to operate and it operate at a high utilization ratio. 3. Less cost of machine 4. Simple in construction. ... capacity. 3. Limited stroke length. 4. The force does not remain constant throughout the stroke.

Enlist any four demerits of VMC

Description : Enlist any four demerits of VMC 

Last Answer : 1) Need to knowledge of coding i.e difficult  2) need to proper skilled  workers 

Enlist any four demerits of soldering

Description : Enlist any four demerits of soldering

Last Answer : 1) Strength of soldered joint is low. 2) Soldered joint cannot be used in high temperature applications. 3) Limitation for joining large sections. 4) Careful removal of flux residual is required to prevent corrosion. 5) Flux may contain toxic components.

Enlist names of any four parts of automobile that can be manufactured by forging.

Description : Enlist names of any four parts of automobile that can be manufactured by forging.

Last Answer : Following are few automotive components that can be manufactured by forging Process: 1. Connecting rod 2. Crankshaft 3. Camshaft 4. Gears 5. Alloy wheel

Explain constructional features, and working of progressive die. Also state the functions of any four parts of progressive die.

Description : Explain constructional features, and working of progressive die. Also state the functions of any four parts of progressive die. 

Last Answer : Constructional features and Working of Progressive Die:  A progressive die consists of the following parts. 1. Stop 2. Sheet metal 3. Pilot 4. Blanking punch 5. Ram 6. Piercing ... 7. Piercing punch: The function of piercing punch is to produce punched holes into the sheet metal. 

State any four applications of resistance welding.

Description : State any four applications of resistance welding. 

Last Answer : Answer: Applications of resistance welding: 1. Resistance welding is widely used in automotive industries. 2. Projection welding is widely used in production of nut and bolt. Projection welding is ... welding is applied in manufacturing of wheel rims, wire joints and railway track joints etc. 

Explain any four reference position used on CNC machines.

Description : Explain any four reference position used on CNC machines. 

Last Answer : Reference positions used on CNC machine:   There are three reference positions on CNC machine: 1. Machine zero point 2. Work zero point 3. Tool home position 4.Reference point 1. ... by limit switches. The slide positions are reported to the control by the slides approaching.

State four advantages and limitations of forging.

Description : State four advantages and limitations of forging.

Last Answer : Advantages of Forging: 1. Strength: i. Forging reduces the failures. ii. High strength to weight ratio. iii. It can be able to withstand fluctuating stress caused by sudden shock loading. ... be produced by forging. 8. Rapid oxidation of metal surface at high temperature wears the dies.

State four advantages of CNC machines over conventional machines.

Description : State four advantages of CNC machines over conventional machines.

Last Answer : Advantages of CNC machines over conventional machines: 1) Greater machine utilization. 2) Complex machining operations can be easily done. 3) It gives high degree of accuracy. 4) It requires less ... is reduced. 15) Elimination of special jigs and fixtures. 16) Accurate costing & scheduling. 

State four advantages of welding.

Description : State four advantages of welding.

Last Answer : Advantages of Welding Process: 1) It produce permanent joint. 2) Large number of metals can be welded. 3) Freedom in design. 4) Strong and tight joining 5) Cost effectiveness 6) Simplicity of welded structures design 7) Welding processes may be mechanized and automated.

Enlist four press components used in automobiles.

Description : Enlist four press components used in automobiles. 

Last Answer : The various Pressed Products used in Automobiles are: 1) Gears 2) Crank Shafts 3) Automobile panels 4) Wires 5) Frames and Chassis 6) Connecting Rods 7) Springs 8) Carburetor bodies 9) Valves 10) Combustion Chamber 11) Cylinder heads & blocks 12) Gear box cases etc.

Define Soldering. Give one application of soldering.

Description : Define Soldering. Give one application of soldering. 

Last Answer : Definition of Soldering:- Soldering is a method of uniting two or more piece of metal by means of a fusible alloy or metal, called solder, applied in the molten state. Applications of Soldering ... 9. Refrigeration and plumbing machine tools components,  10. Copper foil in stained glass work. 

Give Classification of Presses.

Description : Give Classification of Presses.

Last Answer : 1. Classification on the basis of source of power. Manual Presses.  Mechanical presses. Hydraulic Presses. Pneumatic Presses. 2. Classification on the basis of number of slides. Single ... - Frame Presses. Gap Frame Presses. Straight Side Presses. Horn Presses. Inclibable Press

Explain metal spraying process and give two applications.

Description : Explain metal spraying process and give two applications.

Last Answer : Metal praying of metalizing literally means to treat with or coat with a metal or metallic compound. Metalizing as a process normally includes the preparation of base material, the spraying on ... Its other applications are in having decorative films, reflecting surfaces and special metal forms. 

Give application of lapping, honing, buffing and burnishing.

Description : Give application of lapping, honing, buffing and burnishing.

Last Answer : Applications of Lapping: Press work dies, Moulding dies, Limit gauges, Surface plates, Engine valve and valve seat, Races of ball and roller bearings, Gears, Piston rings, Slip gauges, ... the surface. Burnishing components are Cam & followers, matting parts of engine, aesthetical components etc.

Give classification of tools used on turning centre.

Description : Give classification of tools used on turning centre. 

Last Answer : Classification of tools used on turning centre: A. On the Basis of Cutting Tool Construction (a) Solid tools. (b) Brazed tools. (c) Inserted bit tools. B. On the Basis of Cutting Tool Material (a) High ... (c) Cast alloy. (d) Cemented carbide. (e) Ceramics. (f) Boron Nitride. (g) Diamond. 

Sketch and label different types of gas welding flames. Also give application of any one flame.

Description : Sketch and label different types of gas welding flames. Also give application of any one flame.

Last Answer : 1) Neutral Flame: - A neutral flame is obtained when equal amounts of oxygen and acetylene are mixed and burnt in a torch.   Applications: - stainless steel, cast iron, copper ,mild ... when acetylene is supplied more than oxygen.   Applications:-high carbon steel, nonferrous alloy 

Give classification of welding process.

Description : Give classification of welding process.

Last Answer : Classification of Welding Process a. Arc welding 1) Carbon Arc Welding; 2) Shielded Metal Arc Welding (SMAW) 3) Submerged Arc Welding (SAW) 4) Metal Inert Gas Arc Welding (MIG, GMAW) 5) ... (USW) e. Thermit Welding (TW) f. Electron Beam Welding (EBW) g. Laser Welding (LW)

Explain the working principle of galvanizing process. Give its applications also.

Description : Explain the working principle of galvanizing process. Give its applications also. 

Last Answer : Galvanization or galvanisation or galvanizing is the process of applying a protective zinc coating to steel or iron, to prevent rusting. The most common method is hot-dip galvanizing, in which parts are ... 5. All sort of containers 6. telegraph wire 7. fencing materials 8.Transformer parts

Give detail classification of welding. State important factors upon which selection of welding process depends.

Description : Give detail classification of welding. State important factors upon which selection of welding process depends. 

Last Answer : Answer: Classification of Welding 1. Arc welding a. Carbon Arc Welding; b. Shielded Metal Arc Welding (SMAW) c. Submerged Arc Welding (SAW) d. Metal Inert Gas Welding (MIG, ... workers 14. Cost of materials 15. Code or specification requirements 16. Mechanical properties desired in joints 

Draw the neat sketch of fly press. Give the functions of important parts of it.

Description : Draw the neat sketch of fly press. Give the functions of important parts of it. 

Last Answer : Answer: OR Functions of important parts of Fly Press. 1. Ram : This is main operating part of the press which works directly during processing of a workpiece. Ram ... : A die is a specialized tool used in manufacturing industries to cut or shape material mostly using a press 

Give detail classification of forging processes.

Description : Give detail classification of forging processes. 

Last Answer : Classification of forging processes :  1.Open die forging: a) Hand forging b) Power forging:  i. Hammer forging  ii. Press forging 2.Close die forging: a) Drop forging b) Press forging c) Machine forging

Give the classifications of CNC machines according to number of axes.

Description : Give the classifications of CNC machines according to number of axes. 

Last Answer : Answer: Classification of CNC machines according to number of axes 1. 2 axes CNC Machine 2. 3 axes CNC Machine 3. 4 axes CNC Machine 4. 5axes CNC Machine