DIMA SMT Systems is proud to announce the release of their latest semi-automatic stencil printer HS-100 with optional under stencil cleaning unit. The upcoming demand for using LEAD FREE solder paste pointed most peoples attention to the fact of higher soldering temperatures. However we are facing another challenge as well and that is printing accuracy because of poor wetting behaviour of lead free solder pastes.

DIMA SMT Systems is proud to announce the release of their latest semi-automatic stencil printer HS-100 with optional under stencil cleaning unit. The upcoming demand for using LEAD FREE solder paste pointed most peoples attention to the fact of higher soldering temperatures. However we are facing another challenge as well and that is printing accuracy because of poor wetting behaviour of lead free solder pastes.

Flexibility and accuracy are key words for DIMA when designing new products to fit the DIMA product range. DIMA has expanded the Hybrid family of products with an extremely flexible and accurate semi-automatic stencil printer. The hart of the ma-chine is based on a rigid casting where the motor driven printing head is guided over the frame by linear bearings. All parameters like printing speed, squeegee pressure, lift off speed, printing stroke and maintenance parameters can be pro-grammed using the unique DIMA-soft® Windows based user interface, offering op-timum settings for every individual PCB. Teaching the correct position of the board to the software is done by using the self learn modus of the ESI vision system. Once the system knows the correct position of the board it will alarm the operator when the board position is not within the preset tolerance. At the same time the software will instruct the operator in which direction (X, Y, and Rotation) the board has to be corrected. The maximum tolerance level between the board and the stencil for the vision system to be accepted can be programmed between 1 and 100 micron. As soon as the board is within the given tolerance a navigation cross window will change from red into white indicating that the printing process can be started. At the same moment the start buttons become active.
The PC-controlled HS-100 is equipped with the following items; a 15” TFT monitor and two CCD camera’s for a clear view on the process and accurate board align-ment, a scaled PCB table for repeatable board placement when having a high mix of boards, a Mylar foil for test printing and board alignment and magnetic locating pins, board supports and software controlled vacuum units for easy board place-ment. Optional features are a squeegee starter set (2 holders and 4 blades), a puck pack® adapter and under stencil cleaning unit.

The HS-100 allows stencil frames up to 23” x 23”. The maximum print area is 450 x 400 mm allowing boards with sizes varying from 40 x 40 up to 520 x 400 mm. The machine accuracy is ± 25µm @ 3 sigma while the repeatability is at ± 10µm @ 3 sigma enabling printing for components with a pitch of 0.3 mm.

Dima can provide a free brochure, catalogue and movie of the HS-100!

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