This is important in all kinds of mechanical transmission parts, tooth surface contact stress and friction under during operation, tooth root bending stress are, sometimes to withstand impact. So the gear has good comprehensive mechanical properties, generally choose forged steel blank.
Our elevator spur gear rack was widely been used in automatic lift door, cargo elevator, building elevator and medical elevator.
The gear rack has strong hardness after heat treatment. The hardness can be 58HRC after carburizing treatment and surface finishing is very nice. After zinc plated or black oxide. The surface can never be rust. We always can customized as drawing, and bulk goods in stock. The price can be much cheaper, nearly 25usd/meter, if the quantity be very big.
|Product name||elevator spur gear rack|
|Gear rack type||straight|
|Precision class||Din6 Din8|
|Tooth treatment||hobbing machine/precise shaping machine/grinding processing|
|Heat treatment||Tooth surface with heat treatment|
|Hole tolerance||As drawing|
|Surface treatment||Black oxide or zinc plated|
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