Precision Machining and Fabrication
Our DIE SINK & WIRECUT EDM can handle from 500 mm up to 4000 mm Diameter of special aerospace and defense grade materials like:
- Titanium
- 15CDV6
- MDN-250, MDN-138
- EN24, PH Steels
- aluminum Alloys
- Special Alloy Steels
- Nimonic Steels
- Stainless Steels like SS304, SS316, SS316L, SS410, SS420 etc.
Riveting
Riveting of similar and dissimilar materials. Approved by CRI(Chief Resident Inspector) and Directorate General of Quality Assurance(DGQA).
Heat Treatment
Heat Treatment of following materials :
- 15CDV6
- MDN-250, MDN-138
- EN24
- SAE 4340
- PH steel
- SS 304, 321, 316, 316L, 430
- 30KhGsa Steel
Assembly of Aerospace and Defence Projects
APPL has produced the following assemblies and sub-assemblies for various defence and aerospace projects.
- Rocket Motor Casings
- DACS Motors
- Thrust Control Motors
- Gas Generators
- Air Frames
- Control Surface Fins
- Side Thrust Motors
- Actuators
- Injector Assemblies
- Pressure Regulators
- Pyro Valves
- Gas Motor Assembly for PSLV & GSLV
- Nose Cone Ejection System
- Vertical Tail Components For RLV
- Thrust Block
- Titanium Hinges For SU-30
- Aluminium Hinges For SU-30
- Cylinder & Piston For Landing Gears
- Structural Components
- SU-30 Components
Electromechanical Systems
APPL has developed, manufactured and has been continually supplying various electromagnetic and electromechanical systems:
- BLDC Motors, Electromechanical Actuators both Rotary and Linear, LVDT (Linear Variable Differential Transformer) and DC to DC Converters Etc
- Ball Screw based Linear Electromechanical Actuators (LEMA) for thrust vectoring with BLDC motor with Integrated Tacho generator
- Dual channel DSP based Digital Controller for 2 axes Linear EMA with 1553 and analogue interface to OBC with 4 x LVDT feedbacks, 2 x Hall sensor feedback based on BLDC Motor
- Planetary gear box Rotary EMA based on BLDC motor with Integrated DSP controller for Fin control with Potentiometer and hall sensor feedbacks
- DSP based Digital Controller with 1553 Communication for gimbal control Dual Axis DSP based Digital Controller with RS 422 and Analog Interface for Fin Control
- Integrated rotary Electromechanical Actuation System for SFDR
- Integrated rotary Electromechanical Actuation System for FCEMA
- Integrated rotary Electromechanical Actuation System for SAAW
- Dual Channel Digital Control Systems
- Electromechanical Actuators
- Four Isolated Outputs DC-DC Converter and Triple Output DC-DC Converters
Inspection
APPL has qualified and experienced engineers trained in the handling of all kinds of modern measuring instruments including coordinate measuring machines and NDT. Apart from instruments, APPL can establish special gauges and fixtures for batch and mass production products.
Testing
- Surface inspection for welding & machined parts(RDP)
- PPT ( Up To 1000 BAR )
- Strain Gauging
- Radiography
- Ultrasonic inspection
Softwares
APPL has expertise on DELCAM and PC-DMIS for all jobs in design, measurement and manufacturing.
DELCAM
