source of technology
Just like the Hanma engine, the Hanma gearbox is a new gearbox product developed by Valin in cooperation with Europe's top gearbox design company. It uses foreign advanced technology and inherits European noble blood.
Hanma gearbox
Hanma Transmission Active Lubrication System
The HMA transmission oil grade is GL-4 80W/90, and the domestic similar product lubricant is GL-5. Although the GL-5 oil grade is higher than the GL-4, the GL-5 grade oil contains the additive sulfur phosphor Corrosion can occur on non-ferrous metals (synchronizers), and Hanma's gearboxes can create high-quality benefits with low-quality oils.
Main lubrication system
effect
Mandatory lubrication of various components and key points inside the gearbox; it compensates for the defects of long-uphill and long-downhill that are caused by traditional splash lubrication, resulting in poor lubrication; it greatly improves the reliability and service life of the gearbox.
Maintenance cycle
Maintenance cycle
Domestic similar bad review splash lubrication method
Lubricity-free pumps and fuel injection pipes are not adequately lubricated, especially when they are on long downhill slopes or long uphill slopes. Some gears are poorly lubricated and do not even lubricate, causing premature damage to parts.
Hammer Gears Helical Tooth Grinding Technology Gears
Grinding process
It adopts a full helical gear structure with a larger gear meshing contact surface and longer gear service life. After carburizing heat treatment, grinding is performed and the tooth profile has a high precision, up to DIN7, which effectively improves gear meshing. Make the transmission smoother, lower noise and higher transmission efficiency.
Domestic gears of similar products
Spur gears are used. Under the same conditions, the contact surface is smaller than that of the helical gears. The bearing capacity does not grind after heat treatment, and the accuracy is low. It is a national standard, and it has a large noise, a short service life, a low transmission efficiency, and a large fuel consumption.
Hanma transmission spindle assembly comparison
Hanma gearbox rear sub-box system
Using five small, lightweight, compact planetary gears to distribute the output torque of the sun gear, the bearing capacity is large and the transmission efficiency is high. The rear sub-tank of the Hanma transmission has stronger anti-overload capability.
Hanma gearbox rear sub-box system
Rear box of domestic similar products
Rear box of domestic similar products
Shafts and gears are treated with a welding process that is susceptible to fatigue and fracture when overloaded.
Hanma gearbox full open structure and housing
The assembly process is simple and easy to maintain; the front box, main box and rear box are made of aluminum alloy material, and the blanks are imported from Germany.
Shift tower and assist cylinder
Shift tower and assist cylinder
Light weight, clear shift, plus assist cylinder shifting force is greatly reduced, truly enjoy the quality of the truck.
Hanma Patented PTO Products
PTO products
Small size, weight about 3Kg, far less than the weight of similar products (30Kg); output torque 1000Nm, no need to pull files to force the work; do not need to add a separate lubricant. The Hanma gearbox uses a German brand synchronizer. Under normal conditions of use, the Hanma gearbox synchronizer uses 200,000 kilometers without maintenance.
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Why do babies need to use a teether?
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Product introduction:
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10.Silicone baby teether photos for reference.
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