Cast Iron Worm Gear Box

Place of Origin:	Zhejiang

Company Profile

LAND VALVE CO

Location:	Jinan, Shandong, China (Mainland)
Business Type:	Manufacturer
Main Products:	Forged Steel Ball Valve, 3 Way Ball Valve, Floating Ball Valve

Product Detail

Model No.:	LAND

Product Description

cast iron worm gear box

Working principle of Tianji brand gear box:

Gear box are used to transfer rotation and torque from motor to working machine.Most gear boxes are used to decrease speed by gears in the gear box .

Worm gear box is much widely used in mordern machinery systems,since its ratio can be up to 1:100 easily ,which is much bigger than all gears box , and its demision is much smaller than all gears when ratio is same.

Design characteristics:

1:Use low-carbon cast iron cementation processing completely.

2:The gear and the gear shft precision is high.

3:The volume small,but the torque is big.

Maintence:

After 300-hour operation, please change the oil, and flush the gear uint with suitable detergents.
Pls do not mix the mineral oil and synthetic oil.
pls check the oil level in regular time.

Storage:
1:Pls do not store in outdoor.
2:pls put cardboard, wood or other material between the products and floor. the gear box cannot directly touch the floor.

General Technical data

Housing material	high-strength cast iron
Housing hardness	HBS190-240
Gear material	cast iron
Surface hardness of gears	HRC58~62
Gear core hardness	HRC33~40
Input / Output shaft material	42CrMo alloy steel
Input / Output shaft hardness	HRC25~30
Machining precision of gears	accurate grinding, 6~5 Grade
Lubricating oil	Size 37 up to 87 with oil, size 97 up to 187 without oil.
Heat treatment	tempering, cementiting, quenching, etc.
Efficiency	94%~96% (depends on the transmission stage)
Noise (MAX)	60~68dB
Temp. rise (MAX)	40C
Temp. rise (Oil)(MAX)	50C
Vibration	20m
Backlash	20Arcmin
Brand of bearings	HRB,LYC,ZWZ,NSK or other brand
Brand of oil seal	NAK--- Taiwan or other brand