H Series Helical Gear Reducer / Bevel / Parallel-Shaft

• Application：Motor, Machinery, Marine, Agricultural Machinery
• Hardness：Hardened Tooth Surface
• Installation：Horizontal Type
• Layout：Coaxial
• Gear Shape：Cylindrical Gear
• Step：Double-Step

=== Base Info ===

• Model NO.：HB
• Type：Gear Reducer
• Transport Package：Wooden Box
• Trademark：Dawang
• Origin：China
• HS Code：8483409000
• Production Capacity：600000 Pieces

=== Description ===
Transmission stageB2 (ratio from 5~18)B3 (ratio from 12.5~90)B4 (ratio from 80~400)Transmission stageH1 (ratio from 1.25~5.6)H2 (ratio from 6.3~28)H3 (ratio from 22.4~112)H4 (ratio from 100~450)Housing materialHT250 high-strength cast ironHousing hardnessHBS190-240Gear material20CrMnTi alloy steelSurface hardness of gearsHRC58°~62 °Gear core hardnessHRC33~40Input / Output shaft material42CrMo alloy steelInput / Output shaft hardnessHRC25~30Machining precision of gearsaccurate grinding, 6~5 GradeLubricating oilGB L-CKC220-460, Shell Omala220-460Heat treatmenttempering, cementiting, quenching, etc.Efficiency92%~98% (depends on the transmission stage)Noise (MAX)60~68dBTemp. rise  (MAX)40ºC Temp. rise (Oil)(MAX)50ºCVibration≤20µmBacklash≤20ArcminBrand of bearingsChina Top brand HRB,LYC,ZWZ or other brands requested, NSK…..Brand of oil sealNAK--- Taiwan or other brands requested

Q: Are you trading company or manufacturer?
A: We are factory.
 

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock.
 

Q: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to accept trial order for quality testing.

Q:How to choose a gearbox which meets your requirement?
A:You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
     the technical information of required output torque, output speed and motor parameter etc.

Q: What information shall we give before placing a purchase order?
A:a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor informationetc.
     b) Housing color.
     c) Purchase quantity.
    d) Other special requirements.