KRR SIGNS TECHNOLOGY TRANSFER AGREEMENT FOR
We at KRR Engineering, one of Chennai’s leading heavy engineering companies, are proud to announce our partnership with the Council of Scientific and Industrial Research (CSIR) – National Aerospace Laboratories (NAL) through a formal technology transfer agreement for the design and manufacturing of autoclaves. This collaboration enables us to offer advanced autoclaves for both Research & Development (R&D) and Industrial Production, serving critical sectors such as aerospace, aviation, transportation, and advanced composites manufacturing.
Our vision is to drive innovation by building strong partnerships with academia, research institutions, and industry leaders. We are committed to supporting the global demand for advanced composite manufacturing by providing world-class autoclave solutions. By integrating research, industry expertise, and academic knowledge, we aim to strengthen India’s capabilities in advanced engineering and composite technologies while delivering trusted solutions for industrial applications worldwide.
AEROSPACE AUTOCLAVES WITH
CSIR-NAL
SALIENT FEATURES
MECHANICAL SYSTEM
Door Lock System
-
Quick opening Davit arm door with innovative steering mechanism & bearing design.
-
Lock ring-less door locking system and Automated swivel locking arrangement
-
Optimized spherical dished door
-
Automated swivel locking arrangement
-
Assisted door parking arrangement for larger jobs.
Thermal Control
-
Optimized Stainless Steel air duct arrangement for better flow.
-
Finned tube Heat exchanger to optimize better thermal performance.
-
Multi stacked Insulating layers to ensure Uniform thermal gradient maintained throughout the vessel.
-
Cyclic thermal system to avoid cooling fluid wastage.
-
Manual by-pass valve arrangement to ensure un-interrupted operation.
Loading system
-
Pneumatically operated bridge setup to ensure proper loading of jobs.
-
Industrial standard based Rail-on-bridge arrangement to ensure safer loading of jobs
Vacuum system
-
Redundant Vacuum pump to ensure un-interrupted services.
-
Interfaced Suction and measurement lines to ensure proper recording of data during pre/post services.
.jpg){kind=icon}
Pressurizing system
-
Gland-less pressurized blower motor for smooth handling.
-
Nitrogen gas pressurization system with proportional control valves & Exhaust silencer to ensure un-interrupted fluid flow.
-
Emergency exhaust system (Safety Relieve Valve, Rupture Disc, Silencer) conforming to International Standards to ensure safe operating conditions
Control Panel
-
Insulated Enclosures housing Electrical Switch gears, instrumentation control, and electronic devices with access for the operator.
-
Interactive Devices with Sensor measurement, data-acquisition, and process control.
-
PLC driven control system implemented with fail-alarm system
-
Electrical Safety devices installed with auto-trip off during electrical system failures.
-
All the panels, houses the 230V AC power distribution boards with required ON/OFF switches, DIN rails, circuit breakers, surge protection devices, 230V AC and 24V DC Relay control boards etc.
-
Field Junction Boxes provided as per requirement.
Softwere
-
Advanced Customizable software developed with state-of-art SCADA IDE
-
Interactive Screens with real-time data and trend displays
-
Data acquisition from field devices and data logging
-
Overall System view with power control from Software
-
Event driven process control and Continuous data logging of events, alarms, and cure data
-
Alarm management system for fault detection
-
Diagnostics screen for PLC hardware components, 3rd party devices, transmitters and control valves etc., with faceplates for each device.
-
Sub-system wise mimic screens to monitor the process status and real time operations
-
User administration with access rights
-
Dual redundancy with Master-Slave Architecture
PLC System
-
Hot standby fault tolerant PLC for process control
-
Suitable IO Modules with sufficient points for interfacing the field-equipment’s input and output.
-
Ethernet based communication implemented for seam-less communication for data transfer among the devices in system.
ELECTRICAL & INSTRUMENTATION SYSTEM
Curing Control
-
Overall System Control through three different modes
-
Auto Mode - Cure Control in Automatic mode through SCADA software
-
Semi-Auto Mode - Cure control through dedicated PID Controllers for each process namely Temperature, Pressure, and Vacuum
-
Manual Mode - Cure control through manual operation on each motors/Pumps/Heaters etc.
-
Two control methods provided - Air Temperature control and Component Control through advanced component control logic.
-
Pressure and Vacuum Control based on closed loop system.
-
Redundant Field -Equipments like Pumps, Heater banks, and Motors for continuous operation.
-
Batch-wise cure cycle control with time/temperature/pressure as guiding parameter.
Safety
-
Man-in-vessel detection system
-
Emergency push buttons at operator console, local HMI panel, and SCADA interface
-
Door interlocks to prevent opening under pressure or during unsafe conditions
-
Controlled door locking and unlocking sequences
-
Alarm system for equipment failure or process deviations
-
Over-temperature protection via sensors
-
Over-pressure protection via switches and relief devices
-
Interlocks for rapid temperature rise, power failure, and fault events
-
Automatic process hold during temperature, pressure, or power abnormalities
-
Auto-resume function when power is restored
-
PLC-based interlocking for all critical operations
-
Blower health monitoring
-
Protection against electrical failure
Sensor
-
Thermocouple based temperature measurement of air temperature and Component temperature.
-
Transmitter based Pressure and Vacuum measurement.