Double punch

Why double punch?

09/20/2022

Pivatic double punching technology was a product of developing the mechanical structure of the tool cassette technology and cycle time of the punching line. The 625 mm reach of a tool cassette jaw was suitable for narrow blanks or coils, but if the coil width exceeded the reach, one tool cassette would not be enough. As a solution, a second tool cassette with its own tool selector was added to the other side of the blank or coil. The selectors of both tool cassettes use the same punch plate, so symmetrical holes in the product can be double punched, i.e. punched at the same time – something that is not possible using traditional turret punch press technology. Our customers get the best benefit from Pivatic’s double punching technology when it comes to families of products, and production batches ranging from a few pieces to several thousand pieces.

There are different types of tool cassettes, and the cassette type and tools are selected according to the customer’s needs. “Thick Turret, Amada-Style”  tool sizes A, B, C, D, E and F are suitable for tool cassettes. With standard settings, 16 – 26 tools can fit in one cassette, but with multitool adapters the number of tools can be increased to more than 50 tools per cassette, i.e. more than 100 tools per punching station with two cassettes. In addition to piercing tools, tool positions can also use form pressing tools or cluster tools that pierce an entire hole pattern at once.

Ultimately, the double punching technology allows you to increase your production efficiency to up to double the speed, while maintaining the highest quality.

Latest News

EuroBLECH in Hannover, Germany on the 25 – 28 October

Meet us at EuroBLECH 2022 – Stand E136, Hall 11! We will be showcasing a fully automated servo-electric coil punching, cutting and pressing line on the stand. Highly efficient and indexable Thick Turret punching combined with a separate cutting station and a press tool station of 1200 kN punching force allows jobs like hole group, embossing, corner notching and trimming to be flexibly produced. Energy consumption for the full line is between 12-18 kWh, depending on the use of the big press, which is 60-70% less compared to traditional systems. This supports Pivatic’s low-energy product solutions well toward global sustainable development.

The line is bought by a German manufacturer who will receive the line after the exhibition with two coil cars, a turning drum, and a stacking device that are not present at EuroBLECH. The line is made in custom blue line color.

Why double punch?

Pivatic double punching technology was a product of developing the mechanical structure of the tool cassette technology and cycle time of the punching line.

TAKE A GREEN LEAP

Lower your energy costs and intensify your production with Pivatic line solutions. Thanks to servo-technology you can save up to 60-70% in electricity compared to traditional systems, lowering your maintenance costs and total noise level. By using standard coils less scrap is produced in both your production and your steel suppliers.

An article in the Finnish sheet metal magazine Ohutlevy goes in depth about the start of the Pivatic brand, punching technology, and what are our modern capabilities. Starting page 45, read here: https://digiplus.fi/www/Ohutlevy/2022_No1/index.html#p=45

The Pivatic PivaPunch System – How Does it Work?

The PivaPunch may be best described as a hybrid between a turret punch press and a coil-fed stamping press. he PivaPunch system utilizes standard “Thick Turret, Amada-Style” tooling mounted in precision-machined tooling cassettes. The number of tools required, and their sizes is dictated by an evaluation of the application. Cassettes can hold up to 26 tools (52 tools total because there are two (2) cassettes in a standard PivaPunch system.)  In cases where even more tool capacity is required, readily available multi-tool holders that can hold up to nine (9) individual tools can be installed in specific stations to increase the tool capacity to up to 100 total. Individual tools up to “F” size (6” diameter) can be accommodated, and up to two (2) tool stations can have auto-index capability.

Products with large openings with over 100% increased efficiency

A large American manufacturer of HVAC products was looking to speed up their manufacturing process with the help of new punching technology. The company had previous experience with a Pivatic punching line installed in 2007, and had been punching some of their parts with the old line. The line delivery however allowed to replace existing standalone Turret Punch Presses to manufacture the parts with large openings with over 100% increased efficiency – reducing cycle times from 4-5 minutes down to 2 minutes.

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