Frequently Asked Questions

 

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Q: What are the differences between a wet machine and a dry machine?

A: The benefits of a wet sander are: a minimal risk of a fire, increase in belt life, a higher quality of finish in less steps with minimal heat generation, airborne dust is non-existent, and parts exit the machine free of sanding debris which reduces wear on press brake tooling. When using a dry sander: mixing of metals can lead to catastrophic thermal events (fires and explosions), the sanding process can generate enough heat to warp parts; but dry machines are usually less expensive, require less maintenance, and are easier to clean.

Q: How wide of part can I run?

A: Timesavers offers a wide range of options from 9” wide to 64” wide and beyond. These sizes vary greatly depending on what machine configuration is required for your application.

Q: What is the shortest part I can run through a Timesavers sander?

A: The shortest part length is determined by the distance between the infeed hold-down rolls and the outfeed hold-down rolls. These distances vary from model to model, however, there are some alternatives:

1) Building a fixture to hold/group small parts in a way to meet the minimum part length.
2) Leave the parts tabbed together and run the full sheet after punching or stamping.
3) Use a vacuum bed conveyor. 4) Use a magnetic conveyor bed (ferrous parts only).

Q: What is the purpose of adding coolant to the water in a wet machine?

A: The coolant, when mixed with water in the correct proportion, protects the machine and the parts being run from rust and corrosion. The coolant also acts as a grinding aid to reduce heat generation, and increase abrasive belt life.

Q: Which brand of sanding belts does Timesavers recommend?

A: Timesavers does not recommend any specific brand. We do, however, recommend that a belt of good quality from a major manufacturer be used. Abrasives are more than just rocks glued to paper; splice quality and belt construction are a huge factor in belt life and producing a quality finish.

Q: How much material will I remove when using a belt sander to deburr and finish my sheet metal parts?

A: This will all depend on what process you require. Our Rotary Brush machine can deburr cladded aluminum parts without damaging the protective cladding, and will not even remove printed markings most of the time. On the other end of the spectrum, calibrating can grind away the entire part if necessary. During most deburring and finishing applications, the amount of material being removed can barely be measured with a caliper/micrometer.