1. Production of electro hydraulic closed forging hammer is about 1.5 – 2 times of same size belt drop hammer.

Hit frequency of electro hydraulic closed die forging hammer full stroke is about 60 blow/minute, hit frequency of belt drop hammer full stroke is about 30 blow/minute, so the production of electro hydraulic closed die forging hammer is much higher than the belt drop hammer, and it is almost 1.5 times- 2 times. That is mean 1 set electro hydraulic closed die forging hammer equal to 1.5 set or 2 sets belt drop hammers.

2. Reduce manpower

Electro hydraulic closed die forging hammer controlled by foot pedal, one person can control the pedal and handle the forgings at same time. Belt drop hammer is one person control the handle, another person handle the forging, it need at least 2 people. Also the production of 1 set electro hydraulic closed forging hammer is about 1.5-2 times of belt drop hammer, so 1 hammer equal to 1.5 set or 2 set belt drop hammers, so it can reduce 2 people.

3. Forging Accuracy is higher, Forging quality is better.

Belt drop hammer use [comb shape guide", one side guide clearance is about0.7mm-1mm, electro hydraulic closed die forging hammer use [ x shape guide [, one side guide clearance is about0.3mm, so the top die and bottom die mismatch of electro hydraulic closed forging hammer is much less, the forging accuracy is much higher, the forging quality much better.

4. Hit energy is much bigger than same size belt drop hammer

Hit energy of 1 ton electro hydraulic closed die forging hammer is 25kj, hit energy of 1 ton belt drop hammer is about 18kj, so 1 ton electro hydraulic closed die forging hammer is equal to 1.5 ton belt drop hammer. Hit energy of 2 ton electro Hydraulic closed die forging hammer is 50kj, hit energy of 2 ton belt drop hammer is about 35kj, so 2 ton electro hydraulic closed die forging hammer is equal to 3 ton Belt drop hammer.

The advantage of electro hydraulic forging hammer compare with steam hammer and Air compressor hammer as follows:

1. Cost saving

Compare with Air compressor Closed Die Forging Hammer and steam forging hammer, the biggest advantage of Electro Hydraulic Forging Hammer is Electric Saving, it can save about 40%-60%.

Normally 1 set 5 ton air compressor closed Die Forging Hammer need about 400kw motor power to run the air compressor. 1 set 5 ton Electro Hydraulic Closed Die Forging Hammer only need 220kw motor power, and on Electro Hydraulic Closed Die Forging Hammer only when lift hammer ram need motor working, when hitting, no need motor working, so the actual using power is 110kwh/h, and because there is accumulator on electro hydraulic closed die forging hammer, so the final use motor power is more less, so every hour working, the 5 ton Electro hydraulic closed die forging hammer can save 290kwh/h, if the price of electricity is US$0.1/kwh, so the cost is saving will be as following:

Cost saving per hour: 290kwh x 0.1= US$29

Cost saving per day (1 shift): US$29 x 8 = US$232

Cost saving per month (25 days working) = US$5,800

Cost saving per year (11 months) = US$63,800

Cost saving for 1 year (2 shift) =US$127,600

Cost saving for 1 year (3 shift) =US$191,400

You can collect back the investment within 1 year by the cost saving if 3 shift working. If 2 shift working, you can collect back the investment within 1.6 year; If 1 shift working, you can collect back the investment within 3 years.

2. No pollution and much less noise, good for environment and workers` health

Just as we all know, steam hammer need burn oil or coal to run the hammer, so the pollution is very heavy. The noise of high pressure steam or high pressure compressed air is very high. One hit, one cylinder of the steam or air will be released out with dust, it produced the pollution and damage the workers` health. The oil of Electro hydraulic forging hammer is circle flew in the oil pipe, no need burn coal or oil, so no pollution and much less noise.

3. Space saving

On Electro Hydraulic Forging Hammer, No boiler and air compressor station, only has small hydraulic tank, so using area is much smaller, normally it can save 65% area than the steam hammer and air compressor hammer that is mean if you use electro hydraulic forging hammer you can put more hammers or more machines in your factory.

4. Time saving

Start quickly and saving energy greatly .On steam forging hammer or air compressor forging hammer, if you want to start the hammer, you should burn the boiler or run the air compressor long time, and if some problem happen on the hammer or on the dies, the steam or compressed air you got will be wasted, on electro hydraulic forging hammer, you can start the hammer within 2 minute. If any problems happen on hammer or dies, you can turn off the motors, No waste.

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