Cast iron adjustable dumbbell
Adjustable dumbbell is a good item for you to exercise and it will
make you stronger and healthier.
Features : good looking, excellent performance, competitive price,
good reputation
more effective, durable kettle bell
Application people : professional and amateur sports players,
bodybuilders, and some other
wishing to increase strength and muscle size
Function : they can speed the blood circulation, improve the
immediate explosion power,
and strength endurance
Weight from 10kg60kg /set
| 10KG | 1.25kgx4pcs+0.5kgx4pcs/1kgx4pcs+0.75kgx4pcs 2x30cm bar 4spinlocks |
| 15KG | (1.25kg+1kg+0.75kg)x4pcs / (0.5kg+1kg+1.5kg)x4pcs 2x32cm bar
4spinlocks |
| 20KG | (2kg+1.25kg+1kg)x4pcs/(2kg+1.5kg+0.75kg)x4pcs 2x34cm bar 4spinlocks |
| 25KG | (2.25kg+1.75kg+1kg+0.5kg)x4pcs 2x35cm bar 4spinlocks |
| 30KG | (2.25kg+2kg+1.25kg+0.75kg)x4pcs/(2.5kg+2kg+1.5kg+0.75kg)x4pcs
2x35cmbar 4spinlocks |
| 40KG | (2.5kg+2.25kg+2kg+1.25kg+0.75kg)x4pcs/(2.5+2.25kg+2kg+1.5kg+1kg)x4pcs
2x40cmbar 4spinlocks |
| 50KG | (3kg+2.5kg+2.25kg+2kg+1.75kg)x4pcs 2x40cmbar 4spinlocks |
| 60KG | (5kg+3kg+2.5kg+2kg+1kg)x4pcs 2dumbbell bar 4spinlocks |
Dumbbell Product Process
The production process of the dumbbell includes the following steps
1. selecting raw materials which comprise pig iron and natural
rubber.
2. manufacturing a model of the dumbbell.
3. melting the pig iron in a high temperature, and casting the
melted
pig iron on the model.
4. cooling and obtaining a semi-finished product.
5. polishing the semi-finished product, and obtaining a smooth
dumbbell.
6. smashing, heating and melting the natural rubber, pouring the
melted
natural rubber into the outer shell to conduct extrusion forming,
and obtaining the outer shell of the dumbbell.
7. nesting the smooth dumbbell into the outer shell of the
dumbbell,
and obtaining a company.
