FAQ – Custom Steel Forgings & CNC Machining

What are helical gears commonly used for?

Helical gears are widely used in industrial gearboxes,automotive transmissions,and automation equipment where smooth operation and stable load transfer are required.

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Why are helical gears called right hand or left hand?

Right-hand and left-hand helical gears are defined by the direction the teeth slope relative to the gear axis.In parallel shaft systems,gears must mesh with opposite hand orientations.

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Why are helical gears more expensive than spur gears?

Helical gears cost more because they require tighter manufacturing control,additional finishing,and thrust capable bearings.System level design and assembly are also more complex.

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Can spur gears be replaced by helical gears directly?

No.Replacing a spur gear with a helical gear usually requires changes to bearings,axial support,and sometimes housing design due to axial thrust.

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Are helical gears stronger than spur gears?

Helical gears can carry higher loads than spur gears of the same size because multiple teeth share the load during meshing.Spur gears typically transmit load through a single tooth pair.

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Can helical gears run in reverse?

Yes.Helical gears can transmit power in both rotational directions.However,reversing direction also reverses the axial thrust,which must be considered in bearing and housing design.

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How Are Splines Cut on a Shaft?

Splines can be produced through several machining processes,depending on the required precision,volume,and application:·Broaching:A toothed tool is pulled or pushed through the workpiece to cut internal or external splines.Ideal for high-volume production.·Hobbing:A rotating hob tool cuts the splines gradually,much like gear cutting.Suitable for external splines.·Shaping:A reciprocating cutter gradually forms the spline tooth profile.Common for both internal […]

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What is the importance of heat treatment for spline shafts?

Heat treatment enhances the hardness,strength,and toughness of spline shafts,making them more resistant to wear and fatigue.