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Hob sizes, materials & coatings
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Hob Sizes Hobs are available in a variety of sizes and diameters. Larger modules available on request. When a hybrid hob or a completely new design is needed, Star SU will supply the solution.
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Mod. (D.P.) Range: 0.5-17mm (50-1.5)
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Diameter Range: 20-200mm (0.75-8”)
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Hob Material Hobs are available in a wide selection of PM High Speed Steels from PM-M4 to super alloyed steels like S-290 or ASP2080.
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Hob Coatings We coat our tools with Oerlikon Balzers PVD coatings: TiN, FNT (Futura Nano Top) TiAlN and Alcrona Pro (AlCrN).
Gear Hob Cutter
Gear Hob Cutting Tools for Gears, Splines, Multi-thread worms, serrations, sprockets, and other radially repeating forms.
Custom made Serration Cutters can be made to order with straight or spiral teeth left or right hand our capabilities are 8”(200mm) Diameter. X up to 36”(878mm) Length. X Bores up to 3”. No limit on form; can be made with different profiles for milling items like hacksaw blades, files, Double jumped for Sharpe cutting components.
Sprocket Hob Cutter are specialized form-relieved milling or shaping tools used to machine roller-chain sprocket teeth standards like DIN, ISO, and BS. (HSS) sprocket cutters designed for simplex, duplex, and triplex chain wheels
Timing Pulley Hob Cutter is a specialized multi-point rotary cutting tool used on hobbing machines to machine precise tooth profile such as HTD, STD, T, AT, or MXL shapes onto synchronous belt drive pulleys.
Spline Hobs have straight sides teeth like a gear hob, and are usually of stub tooth depth. They are made in single or multiple thread designs,
Worm Data is mostly influential on designing Worm Hob, so that when ordering worm hob, data of worm is required. While ordering please choose type, profile and data among the following options, and furnish with Worm Data (drawing). • Select either Bore Type or Shank Type
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