Grinding Machines Final2
-
Upload
varun-khosla -
Category
Documents
-
view
224 -
download
0
Transcript of Grinding Machines Final2
-
8/3/2019 Grinding Machines Final2
1/19
Click to edit Master text stylesSecond level
Third level Fourth level
Fifth level
Grinding Machines
Ayshwarya Sharma, Vaishwath Shankar, Salil Ali Rizvi, Naveen Santosh,Varun Khosla,Soham Roy,Avinash Sharma,Govmeet Chadda,Vishesh Saran,Anand Kumar
-
8/3/2019 Grinding Machines Final2
2/19
Grinding is a process of Metal Cuttingwhich is characterised by:
- Slow material removal rate.
- High surface finish.
- Multiple cutting points.
- Rotating tool (grinding wheel).
- Finishing operation.
What is Grinding?
-
8/3/2019 Grinding Machines Final2
3/19
The grinding machine consists of apower driven grinding wheel spinningat the required speed and a bed with afixture to guide and hold the work-
piece.Grinding machines remove materialfrom the workpiece by abrasion, whichcan generate substantial amounts of
heat; they therefore incorporate
-
8/3/2019 Grinding Machines Final2
4/19
Contents:
MachineStructure
ControlSystems
Spindles
Guideways
-
8/3/2019 Grinding Machines Final2
5/19
Grinding cylindrical jobs.
Cylindrical GrindingMachines
-
8/3/2019 Grinding Machines Final2
6/19
Click icon to add picture
Houses the feed motors, drive motors, guideways, machine bedcoolant pump, etc.
Machine Structure
Click icon to add picture
DriveMotor
MachineBed
CoolantPump
-
8/3/2019 Grinding Machines Final2
7/19
Click icon to add picture
Consists of Push Button system for switching the motors on andoff and manual Wheel Systems for longitudinal and cross feed.
Control Systems
Click icon to add picture
Cross feedLongitudinal Feed
-
8/3/2019 Grinding Machines Final2
8/19
Click icon to add picture
Consist of a Grinding wheel mounted on a wheel head and acentre dog where the work piece is rotated.
Spindle
Click icon to add picture
Grinding Wheel
Centre Dog
-
8/3/2019 Grinding Machines Final2
9/19
Click icon to add picture
Open Type Dovetail guideways are used in Cylindrical Grinding
Guideways
Click icon to add picture
Back ToContents
Open dovetail
-
8/3/2019 Grinding Machines Final2
10/19
Grinding Flat Surfaces of jobs.
Surface GrindingMachines
-
8/3/2019 Grinding Machines Final2
11/19
-
8/3/2019 Grinding Machines Final2
12/19
Click icon to add picture
Consists of Wheel mechanism for longitudinal and cross feeds.
A provision for turning the table to enable angular grinding is
also shown.
Control Systems
Click icon to add picture
Longitudinal feed
Transversefeed
Vertical feed
-
8/3/2019 Grinding Machines Final2
13/19
Click icon to add picture
Open V type guideways are used in Cylindrical Grinding.
Guideway
Click icon to add picture
Open VtypeGuideway
-
8/3/2019 Grinding Machines Final2
14/19
Click icon to add picture
Consists of Grinding Wheel Mounted on Arbor.
Also shown is magnetic chuck upon which the work piece is held.
Spindle
Click icon to add picture
Back To Contents
Magnetic chuck
GrindingWheel
-
8/3/2019 Grinding Machines Final2
15/19
Grinding cylindrical jobs without use ofa centre dog.
Centreless Grinding
-
8/3/2019 Grinding Machines Final2
16/19
Click icon to add picture
Consists of Machine Bed, motors, control systems, Spindle head,control wheel etc.
Machine Structure
Click icon to add pictur
Machinebed
Cli k i dd i
-
8/3/2019 Grinding Machines Final2
17/19
Click icon to add picture
Consists of Grinding wheel, Control wheel, and work piecesupport.
Spindle
Click icon to add picture
Grindingwheel
ControlWheel
Cli k i dd i
-
8/3/2019 Grinding Machines Final2
18/19
Click icon to add picture
Consists of Push button system for motors, hand wheel mechanisms for adjustingthe position of grinding wheel, control wheel and gap length.
Control Systems
Click icon to add picture
Back ToContents
motor
-
8/3/2019 Grinding Machines Final2
19/19
Thank You.
And have a good day.