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A Lissmac model SBM-GS plate deburring and corner-rounding machine has been supplied to a manufacturer of ready-to-install complex welded assemblies for construction machinery and transport vehicles.

Last year, the company’s flame cutting machines handled steel plates with a total weight of around 10,000 tonnes of plates from 25mm up to 120mm.

The thicker the plates, the larger the nodules and burrs.

With very thick plates, the nodules are removed using chisels.

The cut plates prepared in this way were then deburred using handheld angle grinders.

This is strenuous work with an unhealthy body posture, noise, sparks and intensive dust development.

The manufacturer looked for a special grinding machine and selected the model SBM-GS from Lissmac.

It manufactures, for example, excavator chassis, booms and base frames for plastics processing machines.

After cutting, it deburrs the pre-cut parts, bend them as necessary and weld them together to form assemblies, which are then painted to protect them against corrosion.

Some edges are visible even in the finished product.

The rounded edges produced by the Lissmac machine ensure safe manual handling.

The SBM-GS 1500 grinding and deburring machine completely deburrs the thick plates on both sides in a single pass and rounds off all inside and outside edges.

It operates just as reliably in the thin sheet range as in the range of thick plates up to 120mm, where it can remove burrs up to 5mm in height.

The manufacturer said it saves around two-thirds of the time previously needed for manual deburring.

The SBM-GS 1500 grinding and deburring machine has a total of eight grinding units with which the plates are dressed.

The first four units grind off the burrs and nodules produced during flame cutting.

Only when the plates are clean can the following four grinding units carry out the precision rounding work.

For this, two units above and below the plate drive counter-rotating abrasive belts.

The intuitive display allows setting of the grinding units quickly and easily.

Only the thickness of the plates has to be set.

The pivot system for the tool change on the machine has proved to be useful in practice.

It allows for easy changing of the abrasive belts in about 15min.

Belts can last for weeks or even months.

Surtech Surface Technology Products

Since 1973 SURTECH (SURFACE TECHNOLOGY PRODUCTS LTD) have been selling the largest UK range of grinding, deburring and polishing machines since 1973. We offer belt grinders; portable abrasive power tools; sheet-metal deburring machines; foundry grinding; fettling and cutting machines; robot cells for grinding, deburring and polishing, and more. Our machines grind, grain, deburr, round and radius edges, finish, polish, cut, bevel and chamfer.

Since 1973 SURTECH (SURFACE TECHNOLOGY PRODUCTS LTD) have been selling the largest UK range of grinding, deburring and polishing machines since 1973. We offer belt grinders; portable abrasive power tools; sheet-metal deburring machines; foundry grinding; fettling and cutting machines; robot cells for grinding, deburring and polishing, and more. Our machines grind, grain, deburr, round and radius edges, finish, polish, cut, bevel and chamfer.

Latest technology

We design and manufacture some of our dedicated machines and we import machines from around the world from leading manufacturers. We constantly review the needs of our customers and we tailor our product range accordingly. To complement our machine range we stock most accessories such as dust extractors, contact wheels and welding tables. We also offer a complete range of abrasive and polishing consumables, including: abrasive belts, abrasive wheels, abrasive discs, polishing mops and buffs, polishing compounds, cleaning and protecting chemicals.

After-sales service

At SURTECH we have our own workshop and repair department, staffed by factory trained engineers and equipped to handle servicing, repairs and modifications of all machines.

Abrasive test centre

This is where you will find the UK’s largest selection of the very latest grinding, deburring and polishing machines, accessories and abrasive and polishing consumables. You are invited to bring your parts and to discuss your requirements with our skilled engineers who will also set up practical demonstrations. See for yourself how our machines can be used to solve problems and to improve efficiency.

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