Desktop Autoclave for Composite Curing :
Specifications for Desktop Autoclave
The Desktop Autoclave will be used to manufacture the aerospace grade composite structures for research & development. The specifications for Desktop Autoclave are as follows:
S.No
Description
User Specifications
1.
Diameter of the working space
450 mm
2.
Length of working space
500 mm
3.
Autoclave door
Manual Hinged door with lock ring less
quick lock door
4.
Door lock safety device
Wedge lock and warning device
5.
Maximum charge
25 kg (equivalent of steel)
6.
Max. Space required
Should fit in 1.5 cub. m space, supported on M.S. frame structure at a convenient height for Operation
7.
Insulation system
super wool insulation blankets of adequate thickness covered with SS sheet
8.
Maximum temperature
200 deg C
9.
Heating rate
0 to 3 deg per min on air
10
Air circulation system
Fixed speed blower
11.
Temperature uniformity
±2 deg C (In the working space under
steady state Condition at 2 bar pressure)
12.
Cooling rate
1 deg C per min (Avg.) up to 70 Deg C on air
13.
Heat exchanger coil type
Finned SS/ copper tubular cross flow
14.
Cooling medium
Waters
15.
Heating medium
Electric air heater
16.
Number of thermocouples
3 Nos
17.
Type of thermocouple
K (Chromel/Alumel) Type
18.
Temperature display accuracy
±1%FSR (Digital)
19.
Maximum pressure
7 barg
20.
Pressurization medium
Dry Air/ Nitrogen
21.
Blower
Centrifugal blower with water cooled
pressurized glandless blower motor with safety trip against high temperature
22.
Pressure display accuracy
±0.5%FSR (Digital)
23.
Number of vacuum lines
1 Suction line and 1 measurement line
24.
Vacuum system
Rotary vacuum pump
25.
Free displacement capacity of vacuum
pump
200 liters/minute
26.
Maximum vacuum at source
5 mbar
27.
Vacuum fail protection
Provided for suction line
28.
Vacuum display accuracy
+/- 0.5 %FSR (Digital)
29.
Control and Instrumentation system
Control system with touch screen (HMI – Human Machine Interface) based PLC with Auto & Manual modes
30.
Data acquisition system
In-built HMI with USB port
31.
Alarm, Safety, Interlocks and Status
Through HMI & PLC
32.
Heat control
PID Based Thyristor Control
33.
Temperature control accuracy
± 1 deg C (Air temperature set point)
34.
Pressure control accuracy
± 0.2 bar
35.
Safety
Burst disc
Double safety relief valves
High pressure switch
Thermostate ± 1 deg C (Air temperature set point)
Emergency Dump valve
Earth fault protection at Incomer
Protection for blower and vac. Pump’
Emergency stop Push button
Key switch to cure start
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