Table of Contents
PROJECT ON PNEUMATIC SHEET METAL CUTTING MACHINE
ABSTRACT
We are using scissors for simple sheet metal cutting. It is a manual method so that sheet metals are to be wasted sometime because of mistakes happened such as wrong dimensions etc., and also even a simple cutting may take long time.Hydraulic machines are also available for sheet metal cutting. But this method is used for only heavy metal cutting and its cost is very high.We are using a pneumatic system for sheet metal cutting in a easy way. It is operated by a pneumatic hand lever of two way control valve.Control valve is operated by a compressor.
COMPONENTS USED
- Double acting cylinder
- Pneumatic hand operated valve
- High speed steel blade
SPECIFICATIONS
PNEUMATIC
CYLINDER
CYLINDER
Stroke
length = 150mm
length = 150mm
Diameter = 50mm
Pressure = 10bar
SHEET CUTTER =
8inch
8inch
Working Of Sheet metal Cutter
The pneumatic machine includes a table with support arms to hold the sheet, stops or guides to secure the sheet, upper and lower straight – edge blades, a gauging device to precisely position the sheet. The table also includes the two way directional valve. The two way directional valve is connected to the compressor. The compressor has a piston for a movable member. The piston is connected to a crankshaft, which is in turn connected to a prime mover (electricmotor, internal combustion engine). At inlet and outlet ports, valves allow air toenter and exit the chamber. When the compressor is switched ON, the compressed air is flow to inlet of the pneumatic cylinder.
The sheet is placed between the upper and the lower blade. The lower blade remains stationary while the upper blade is forced downward.
The upper blade is slightly offset from the lower blade, approximately 5 – 10% of the sheet thickness. Also the upper blade is usually angled so that the cut progresses from one end to the other, thus reducing the required force.
The upper blade is slightly offset from the lower blade, approximately 5 – 10% of the sheet thickness. Also the upper blade is usually angled so that the cut progresses from one end to the other, thus reducing the required force.
When the pneumatic hand operated lever is moved forward, the piston starts moving in the forward direction. The upper blade which are then forced against the sheet, cutting the material. When the pneumatic hand operated lever is moved backward, the upper blade will come to the original position (i.e., the upper blade will move upwards).
After the material is cut, adjust the pneumatic hand lever to the mid position (i.e., normal position) and then the compressor is switched OFF.
APPLICATIONS
Sheet metals are used in
- Car bodies
- Airplane wings
- Medical tables
- Roofs for buildings (Architectural) and many other things
- Sheet metal of iron and other materials with high magnetic permeability, also known as laminated steel cores, has applications in transformers and electric machines.
- Historically, an important use of sheet metal was in plate armor worn by cavalry, and sheet metal continues to have many decorative uses, including in horse tack.
ADVANTAGES
- Low cost
- Less consumption of
time - Easy to handle
- Skilled labor is
not required - Less maintenance
- High accuracy
- Good surface finish
- Less floor space
Download:
PROJECT REPORT ON PNEUMATIC SHEET METAL CUTTING MACHINE
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This is awesome information you are sharing here, I see one of the industry name as Printman industries. It has been manufacturer of Cutting Creasing Rule,Printers Rubber Blanket Bar,PS Plate manufacturing Line,Blanket Cutting Machine,Bar Fixing Press. http://www.printman.co.in
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