Forming of Plastics: Part A

Double D Technical Productions
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Forming of Plastics: Part B
The processes covered by this program are:
  • Injection moulding
  • Injection blow moulding
  • Production of flexible foams
  • Rotational moulding
  • Extrusion compression moulding
  • Thermoforming
  • Stadium seat
Metal Casting: Sand Moulds
The processes covered by this program are:
  • Jobbing moulding
  • Cold box moulding
  • Pit moulding
  • Rapid prototyping
  • Investment casting
  • Medium volume green sand moulding
  • Automated cold box moulding
  • Hot box moulding
  • High volume lost foam moulding
  • Hunter process
  • Disamatic
Composite Materials: Part B
The processes covered by this program are:
  • Resin infusion
  • Resin transfer
  • Compression moulding (sheet)
  • Compression moulding (dough)
  • Pultrusion
  • Filament winding
  • Continuous profile
  • Bulk casting
  • Centifugal casting
Design for Manufacture - The Case of the Pump Body
This video shows how the most appropriate materials and methods of manufacture can be selected to produce a quality product at a minimum cost. The program examines four different methods of pump body production:
  • Hot chamber die casting
  • Cold chamber die casting
  • Sand casting
  • Injection moulding of plastics
Timber: Production and Processing Part B
This is Part B of two programs which include the propagation and processing of Australian native species together with American and Caribbean pines. The processes covered by this program are:
  • Characteristics of commercial softwoods
  • Plantation management - propagation; thinning; clear felling
  • Milling, drying and grading
  • Finger jointed clear grade…
Composite Materials: Part A
The processes covered by this program are:
  • Hand lay up - introductory
  • Theory of composite materials
  • Open mould chopped roving
  • Huon class mine hunter
  • Vacuum bagging
  • Vacuum bagged pre-pregs
Metal Casting: Die Casting
The processes covered by this program are:
  • Gravity die casting
  • Tilt casting
  • Low pressure die casting
  • Cold chamber high pressure die casting
  • Squeeze casting
Refrigeration and Air Conditioning - Compilation 1
This is a compilation of the following titles: Drawing for Communications: Getting the Picture, Technical Sketching, Isometric Drawing, Simple Orthographic Drawing. Refrigeration and Air Conditioning: Heat and Pressure, Basic Refrigeration Cycle, Air Conditioning, Industrial Refrigeration and History of Refrigeration.
Machining: Cutting Material
The processes covered by this program are:
  • Power hack saw, cold saw, band saw
  • Plasma arc cutting
  • Water jet cutting
  • Laser beam cutting
  • Electrical discharge machining
  • Wire cutting
  • Ultrasonic machining
Timber: Production and Processing Part A
This is Part A of two programs which include the propagation and processing of Australian native species together with American and Caribbean pines. The processes covered by this program are:
  • Ecology
  • Classification and structure - hardwoods & softwoods
  • Harvesting - clear felling; shelter trees; plantations
  • Structure of a tree…
Non-Destructive Testing
This video shows how 7 different nondestructive test procedures are carried out, their advantages, limitations and typical areas of application. The processes covered by this program are:
  • Dye penetrants (colour contrast and fluorescent)
  • Magnetic particle (colour contrast and fluorescent)
  • Ultrasonic testing (pulse echo and through transmission)
  • Eddy current testing
Welding: Metallic Materials: Part B
This is Part B of a two part video on welding processes typically used in industry. This program covers the following subjects:
  • Gas metal arc welding (MIG)
  • Determination of pre-heat
  • Post heat treatment of welds
  • Narrow gap welding
  • Flux cored arc welding - gas and self shielded
  • Plasma transferred…