Qimtek

Process: Presswork

Overview

Presswork is a method to form sheet metal into various shapes by using a press machine.

When pressing, a machine tool punches the workpiece with great force. A tool is placed in the machine press' upper part and when it hits the sheet metal, the workpiece is formed. The lower part of the machine press contains a tool which corresponds to the upperpiece. After the press is performed, the upper part is lifted to press again or to switch workpiece. Many machine presses can do several hundred cycles per minute. When the press is done, the workpiece is the same shape as the tool. Of course, this means that every component needs a customized tool and a corresponding tool for the press machine's lower part, sometimes referred to as a die.

Which press machine is suitable for which component is determined by the workpiece's length and width (X,Y), the press force (measure in tons or kN) and what type of press machine is suitable.

The press force is usually the most critical. It is the force the upper part of the machine has when it hits presses the workpiece. It is determined by the type and thickness of the material and the amount of material to be pressed. Big sheet metal pieces that needs a large amount of pressing, needs the biggest press machines. These are primarily found at large suppliers to the automotive, white goods and ventilation industries. However, common sized press machines are available at any sheet metal fabricator.

There are also several kinds of press machines; mechanical, hydraulic, folding (press brake) and excenter presses. Most modern press machines can also do some punching and cutting. Some are suitable for deep drawing too. Which press machine and method that can perform each job differs, so sometimes, if uncertain, the purchaser can ask the supplier to determine this.

Generally, every sheet metal fabricator has at least one machine press.

Picture: DMP-Direct Metal Presswork

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E.g., 30/10/2020
E.g., 30/10/2020
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Presswork projects for quote

  1. Drawings count: 1

    Sheet Metal Forming-Presswork

    Having previously had the attached part manufactured from multiple pieces of 3mm thick mild steel welded together, the client is now keen to speak to suppliers who can press form this part from a single sheet of steel. Ideally, they are looking to speak to companies who have existing tooling which could accommodate the manufacture of this part and have advised that the design could be adjusted to suit. The part in question will be required on an ongoing basis, at a rate of 150 off per year.

  2. Drawings count: 1

    Sheet Metal Forming-Presswork

    This manufacturer of outdoor eating equipment has an urgent order to place for a new design of BBQ bowl. This is a new product for which there is no current suppler. Those that can assist are asked to submit their quotation at their earliest convenience, with price and shortest lead time indications required for 20 off of each design. In turn, the successful supplier can expect to receive repeat orders moving forward.

  3. Drawings count: 1

    Sheet Metal Forming-Presswork

    This manufacturer of washable and reusable face masks for businesses seeks a supplier for the manufacture of aluminium nose strips. These are to be inserted into the cloth masks and should be formed with a nose indent as show in the image. Parts should also be manufactured with rounded ends and free of burrs. Please note that the attached file is for reference purposes only. **Due to the current health climate, we ask that you only submit a quotation for this project if you are in a position to fulfil the requirement.**

  4. Drawings count: 3

    Sheet Metal Forming-Presswork

    This Qimtek member is looking for a supplier to partner with for this project, to create display screens using presswork which will be used within the rail industry. Quotes are required for the largest size within the set of drawings only, however, when the order is placed, all sizes will be available to manufacture. Tooling is also required. Pricing, good quality and reliable delivery are all important factors within this project. Those that are interested in being considered for this job are asked to make contact with the buyer directly to discuss; in addition, this could result in further opportunities once quality and reliability have been proven.

  5. Drawings count: 2

    Sheet Metal Forming-Presswork

    This company, who operates within the agriculture sector, seeks a supplier who can manufacture the attached pressed component. This is to be produced from free-issue mild steel hollow section and pressed into the shape shown on the drawings provided. This will be ongoing work, making it an opportunity to win a new long-term customer as well as the work in question.

  6. Drawings count: 1

    Sheet Metal Forming-Presswork

    This manufacturer of bicycles, who generally manufactures in-house, has a new design for a bell which is to be fitted to the bikes going forward. They would like to find a possible UK supplier who is able to assist with the initial prototyping, as well as the ongoing manufacture if successful. There is an immediate order to place for this enquiry, with delivery required at the supplier's earliest convenience. If this is successful, the work is expected to be repeated in much larger quantities going forward, making this an ideal enquiry for suppliers looking to fill long-term capacity.

  7. Drawings count: 0

    Sheet Metal Forming-Presswork

    This client currently seeks a supplier to assist in the ongoing manufacture of large steel pressings. The ideal supplier with be situated locally to the client and must have a 1300-tonne press capable of pressing 3mm thick steel panels. There is an order ready to place for this enquiry, with increasing monthly batches expected to follow.

  8. Drawings count: 3

    Sheet Metal Forming-Presswork

    This company is looking for a supplier to press the attached components, which will be used as part of a new design within the construction industry. Please note that accompanying tooling is also required. An initial sample of 8 off of each part is needed, which will be followed by monthly orders of an estimated 2000 off, making it a fantastic opportunity to win regular work from a new client. Quality of the end product is paramount and pricing is also key. This could also lead to additional, similar work to run alongside this ongoing enquiry.

  9. Drawings count: 4

    Sheet Metal Forming-Presswork

    With an outsource spend of over £100,000 a year on fabricated designs, this company is looking for a new supplier to press the four designs of flange attached, which will be used within the heavy vehicles and construction industry. Quotes are sought for 45,000 off of each design per year, to be delivered in regular monthly call-offs. Those that are interested in being considered for this job are asked to make contact with the buyer directly to discuss; in addition, this could result in further opportunities, once quality and reliability have been proven.

  10. Drawings count: 3

    Sheet Metal Forming-Presswork

    This client, a company who spend £90,000 per year on outsourced fabrication, seeks a supplier to produce large volumes of pressed components from stainless steel. These items are currently produced in-house from iron, however, the client is looking at production in stainless steel but lack the in house capacity needed to do so. A new supplier is required to produce these items on a long-term basis with quotes required for between 8,000 to 60,000 per month depending on the drawings, please see the batch information for further details. Further sizes of these cell cups will also be made available once a relationship is established with the chosen supplier, making this an opportunity not to be missed.

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