This ppt based on Six months Industrial Training at Vishwas Overseas. In This PPT you can get the basic knowledge of CNC Machine and Quality Control. You can use this ppt if you are going to explain CNC machine or Quality Testing of any company or if you have done an industrial training in mechanical filed as a machine operator or quality engineer.
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Mechanical Industrial Training (in Quality & CNC Machine )at Vishwas Overseas
1. 8TH Sem. Industrial Training
At Vishwas Overseas
By – Gopal Saw (75144043)
MMU, Ambala
2. Content
• Company Profile
• Company Layout
• Product Area
• Division
• Products Range
• Layout of Machine Shop
• CNC Machine
• HMC
• VMC
• VTL
• HTC
• CNC Advantage
• Quality Instrument
• Our Clients
• ThankYou
3. Company Profile
• Founded in 2004, in about 6 acres of land with more than 50,000 sq. ft of covered area.
• is anOEM supplier engaged into manufacturing and exports of Quality Castings
• for the Automotive, Agricultural,Construction andTractor Industry.
• One of the major advantages is thatVishwas Overseas has an in-house sophisticatedCNC
(HMC,VMC andTurning Centers) and conventional machine shop.
• Company specialize in Engine components, Axle Parts, Gear box Housings, Critical
Housings, Brackets,Torque Arms
9. CNC Machine
• A numerical control system in which the data handling,
control sequences, and response to input is determined
by an on-board computer system at the machine tool.
• Development of computer numerically controlled (CNC)
machines is an outstanding contribution to the
manufacturing industries. It has made possible the
automation of the machining process with flexibility to
handle small to medium batch of quantities in part
production.
• A computer numerical control (CNC) is a microprocessor-
based system to store and process the data for the
control of slide motions and auxiliary functions of the
machine tools.The CNC system is the heart and brain of a
CNC machine which enables the operation of various
machine members such as slides, spindles, etc. as per the
sequence programmed into it, depending on the
machining operations
• A CNC machine consist of following 6 major elements:
a. Input Device b. Machine Control Unit c. MachineTool
d. Driving System e. Feedback Devices f. Display Unit
• Controlled by G and M codes. •These are number values
and co-ordinates
• Function: Milling, Drilling,Taping, Boring, Grooving,
Facing
11. Horizontal Machining Centres (HMC)
• Operations : Milling, Facing, Drilling,
Grooving,Taping, Broaching, Boring,
Turn Cut out and many more.
• Axis: 3 Axis, x, y and z Axis.
• 2 Plate Changer for non-stop working
• 24Tool Holder.
PROGRAMMING KEY LETTERS USED FOR CNC
• O - Program number (Used for program identification)
• N - Sequence number (Used for line identification)
• G - Preparatory function
• X - X axis designation
•Y -Y axis designation
• Z - Z axis designation
• R - Radius designation
• F – Feed rate designation
• S - Spindle speed designation
• H -Tool length offset designation
• D -Tool radius offset designation
•T -Tool Designation
• M - Miscellaneous function
12. Vertical Machining Centres (VMC)
• Operations : Milling, Facing, Drilling, Boring, Grooving,
Taping, Broaching,Turn Cut out and many more.
• Axis: 3 Axis, x, y and z Axis.
• 2 Plate for non-stop working.
• 18Tool Holder.
SOME MOST FREQUANTLY USED
OPTIONS/KEY FOR CNC
Automatic
EDIT
MDI
SINGLE BLOCK
OPT. STOP
FEED ON/OFF
CYCLE START/STOP
CLNT ON/OFF
JOG
HANDLE
TOOL DCLP
FEED %
SPINDLE %
13. VerticalTurning Lathe (VTL)
• Operations : Turning, Facing,
Grooving, Boring, and many more.
• Axis: 2 Axis, y and z Axis.
• 5 Tool Holder used. Maximum 11Tool
can hold here.
• Workpiece Rotating,Tool Moving
Display for ALL CNC:
• Show All Program
• Show Sped,CycleTime
• Show Alarm & Emergency
• Show the Accurate Location ofTool
in Micrometre.
• Show the Moves and Distance
Execution.
14. HorizontalTurning Centre (HTC)
• Operations : Turning, Facing, Grooving,
Boring, and many more.
• Axis: 2Axis, y and z Axis.
• 5Tool Holder used. Maximum 11Tool
can hold here.
• Workpiece Rotating,Tool Moving
15. CNC Advantages
• Higher flexibility
• Increased productivity
• Consistent quality
• Reduced scrap rate
• Reliable operation
• Reduced non productive time
• Reduced manpower
• Shorter cycle time
• High accuracy
• Reduced lead time
• Automatic material handling
• Lesser floor space
• Increased operation safety
16. MACHINING PRODUCTION & INSPECTION
Casting Rear Axle Housing Shaft
• Casting Inspection,
• ID Setup On CNC
• Piece ID if Casting is Okay
1st Setup onVTL (VerticalTurning Lathe)
Operations: Facing,Turing, Boring, Grooving, Chamfer,
Centre Radius
CycleTime: 9 minutes.
Turning on top face and then facing on the same face.
Boring :125 -0.005/-0.0046 mm.
Boring of diameter 110mm.
Grooving: 182-0.115mm and depth 7.4 mm.
Chamfer of 45 degree at each operation
Outer and Inner centre radius of 1.5mm.
17. MACHINING PRODUCTION & INSPECTION
2nd Setup onVTL (VerticalTurning Lathe)
Operations: Facing,Turing, Boring, Grooving, Chamfer, Centre
Radius
CycleTime: 17 minutes.Turning on top face and then facing on
the same face.
Facing on next layer at the depth of 5.5 mm
Facing on next layer at the depth of 7.5 mm from 1st turning face.
Facing on next layer at the depth of 14.5mm from 1st turning
face.
Boring at inside face with bore diameter of 180 mm
Facing at depth of 84.5mm inside the rear axle shaft.
Boring of diameter 90.2mm.
Chamfer of 45*
centre radius of 1.5mm
3rd Setup onVMC (Vertical Machining
Centre)
Operations: Drilling,Taping, Chamfer
CycleTime: 8 minutes.
Drilling to make 12 holes of diameter 12mm
on 1st face (top face)
2 holes of dia 10.3mm on 1st face (top face)
Taping of M12*1.75 on the hole of diameter
10.3 mm.
Chamfer of 45 degree at holes and taping.
18. MACHINING PRODUCTION & INSPECTION
4th Setup onVMC (Vertical
Machining Centre)
Operations: Drilling,Taping,
Chamfer
CycleTime: 8 minutes.
Drilling to make 16 holes of
diameter 10.3mm on 1st face
(top face)
Taping of M12*1.75 on the
hole of diameter 10.3 mm.
Chamfer of 45 degree at
holes and taping.
5th Setup on HMC (Horizontal Machining
Centre)
operation's: Milling, Facing, Drilling,Taping,
Chamfer
CycleTime: 15 minutes.
19. MACHINING PRODUCTION & INSPECTION
6th Setup on Drilling
Machine
Operations: Spot Facing,
Angle Drilling
CycleTime: 9 minutes.
Angle drilling on top face,
angle drill of 45 degree.
Spot facing under the hole
drill and taping of 1st top
surface
Quality Inspection after Each Setup
