Qimtek

Process: Injection Moulding

Overview

The first step in the injection moulding process is to manufacture a mould tool. This is a precision machined part (or assembly of parts) that contains the cavity - or cavities - the same shape as the finished part. The mould tool is unique for every component, but can be used many times. Tooling costs are usually quite high; therefore, economies of scale dictate that injection moulded parts are required in high quantities.

A mould tool is clamped into an injection moulding machine. At the other end of the machine, plastic granules are fed into a heated cylinder and a reciprocating screw therein moves the plastic, which melts into the mould under pressure. When the plastic hardens, the clamping unit opens so the final component can be removed. The process is then repeated.

 

 

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Injection Moulding projects for quote

  1. Drawings count: 6

    Plastic & Rubber-Injection Moulding

    This manufacturer of cameras and camera accessories is interested in hearing from suppliers who can assist with a new range of glass holders for both initial and ongoing production. There are various sizes required in the long term, but initially the buyer is looking for quotations on the largest size, with the manufacture of the smaller ranges to follow. Although there is no immediate order to place for this enquiry, the buyer is hoping to go to market with these parts at the end of September and therefore, the initial order is expected to be placed mid to late July. This is to be repeated on a yearly basis going forward.

  2. Drawings count: 7

    Plastic & Rubber-Injection Moulding

    This company has a requirement for the attached caps and flanges, as well as similar components, which will be used within the automotive industry. Quotes are required for 180,000 off per year in regular monthly call-offs, for a minimum of 4 years. Extra drawings for these particular parts, as well as similar parts, have been requested from the designer and will be made available as soon as possible.

  3. Drawings count: 1

    Plastic & Rubber-Injection Moulding

    This regular Qimtek client is looking for a supplier to make a new design of black Nylon bung, which will be used within industrial cleaning equipment. Quotes are required for 1000 off with a view to repeat orders being placed, as well as an opportunity for similar work. Please note this enquiry has also been sent to plastic machining suppliers, in order to explore the viability of both processes.

  4. Drawings count: 3

    Plastic & Rubber-Injection Moulding

    This buyer seeks a UK supplier to produce a moulded ABS core clips using free-issue tooling. Quotes are currently sought for 2000 and 3000 off of this design, for which there is an immediate order to place. In addition, this will likely lead to ongoing work for the chosen supplier, as well as an opportunity to venture into additional projects. The core clips will be used within an industrial machinery application. Interested suppliers are asked to make contact with the buyer directly in order to be considered for this project.

  5. Drawings count: 1

    Plastic & Rubber-Injection Moulding

    This security shutter manufacturer, who spends approximately £50,000 a year on outsourced plastic manufacture, is looking for a UK supplier of the attached plastic guide rails. There is an immediate order to place, although samples will be required before full production can commence. This part will be required on a repeat basis from the chosen supplier, meaning that the successful supplier will win a new long-term customer as well as the work in question.

  6. Drawings count: 4

    Plastic & Rubber-Injection Moulding

    Destined for end use within the automotive industry, these plastic caps are to be made from low density polyethylene. Quotes are required for 40,000 off each cap, with additional tooling also needed. The client has also advised that this will be an annual requirement, making it an ideal opportunity to fill long-term capacity. In addition, there may be scope for the chosen supplier to expand upon their involvement with the client moving forward. These parts are currently manufactured in Taiwan, although the client is keen to return production to the UK; therefore, pricing is an important consideration within this enquiry.

  7. Drawings count: 6

    Plastic & Rubber-Injection Moulding

    This university student, together with the the assistance of the university, has a project which is destined for use within under-developed countries with electricity supply issues. Suppliers are sought for both the initial and ongoing production of the attached plastic moulded parts, including a battery storage seat and a water storage seat. There is an immediate order to place, with delivery required at the supplier's earliest convenience. This is expected to be repeated every three months going forward, in hopefully increasing quantities.

  8. Drawings count: 2

    Plastic & Rubber-Injection Moulding

    This manufacturer of children's bicycles currently has a gap in their production plan whilst awaiting capacity from their regular supplier. Therefore, they are in need of a temporary supplier to assist with the injection moulding of rubber inserts. Tooling will be required, although supplier input for the best method is welcomed. Although this is a temporary requirement with two runs expected, this may lead to future enquiries for the chosen supplier once a relationship has been established.

  9. Drawings count: 6

    Plastic & Rubber-Injection Moulding

    With an annual spend in excess of £160,000 per year on plastic components, this client is looking for quotations for all of their key injection moulded parts. These are used across many industries, including petrochemical, automotive, energy and industrial machinery. Quotes are required for these parts to be injection moulded using Ryton PPS and/or Nylon 66, or a similar material with PPS specifications. With annual quantities ranging between 10,000 and 20,000 off of each part, this is a great opportunity to fill ongoing capacity and to manufacture critical components for a large client. Please note that these designs may be subject to small changes before the order is placed, although quotes are invited for the specified sizes to provide clarification of pricing in the interim.

  10. Drawings count: 2

    Plastic & Rubber-Injection Moulding

    This client is looking for injection moulded fixing blocks, using black PA66 material, for two separate components which will be used within the marine industry for recreational and rescue watercraft. Production quantities of 4500 off are required (per component) within the first 12-16 months. Please note that pricing and quality are of the most importance for this enquiry.

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