JIS B 6402 PDF


Read 3 answers by scientists with 1 recommendation from their colleagues to the question asked by Daniel Martinez Krahmer on Dec 17, JIS B Mechanical power presses — Testing of the accuracy (FOREIGN STANDARD. Find the most up-to-date version of JIS B at Engineering

Author: Yoshura Douzahn
Country: Armenia
Language: English (Spanish)
Genre: Spiritual
Published (Last): 11 April 2008
Pages: 420
PDF File Size: 15.32 Mb
ePub File Size: 19.2 Mb
ISBN: 713-4-11381-948-6
Downloads: 76159
Price: Free* [*Free Regsitration Required]
Uploader: Meztim

Rotary 3 position Cam Limit Switch. The load gauge simply displays the result of how many kN loaded to the frame.

Even though frame is the same, larger amount of flywheel energy is put on to be a large performance press for hot forging and smaller amount of flywheel energy is put on to be a 642 performance press bb cold forging. The slide speed adjustment takes the method that controls to have same speed every cycle based on encoder signal detected the slide descending speed.

We don’t use the torque limiter approach attached to the flywheel discharging overload energy.

Especially, in those large edge burrs and 64402 working, it could become out of the allowable load even if the forming energy value is still a half of it. Web Design City Dubai. The frames are stress relieved before machining. This prevents any damage to the tool and to the press. During work process like jid compression of heated bar material, the energy is consumed for plastic deformation of the material mostly and the frame bears very small amount of load shown low value on the jks gauge.

We are taking the method that the machine gives warning signal to operator through LED lamp when the machine is in overload emergency stop status from electric signal of the load gauge. This accurately machined steel fabricated box type slide runs in extra long gibs fitted with PB liners, eliminating any possibility of tilting and maintains the parallelism of face even at off center loading.


Dual Sensing Solenoid valve. At the time of overload, by exceeding the 66402 capacity tonnage, the sensitive Hydraulic Overload Protection device senses the overload with a millisecond and immediately stops the machine. If the preset value is small, the slide is clutched off right after acceleration and it descends evenly with inertia.

It becomes quite expensive machine though we could manufacture it. The allowable performance for the former is 1. Here a problem occurs how much the allowable applied load of a press being set witch coming from rigidity design ijs machine.

It’s hardly recognizable to the operator if the torque limiter functions under the overload condition.

As explained earlier, the press can compress a test piece with nominal capacity, however, it is absolutely impossible to do with the allowable capacity. Set up the press slide speed and the slide stroke as maximum adjust nis maximum power.

It would be accurately machined and ground finished and so designed to ensure optimum factor of safety. Its control is where the point to clutch off, not revolution control like inverter motor.


Crank Shaft The Crank shaft would be of forged and normalized medium carbon steel to ensure toughness and shock resistance. The capacity of screw press should be used with the nominal capacity. Ejector bar in slide. It is just a matter of revolution energy usage whether it is used for work piece compression or the frame deformation. Die Cushion capacity at 7. The flywheel revolution is sequentially controlled in a servomotor direct driven system without clutch transmission.

Forming energy is completely same with flywheel energy. Surely, it is possible, however, can you imagine and would like to have the screw press that has the frame of kN press with flywheel of kN press and is used as nominal capacity of kN press?


Emergency stopwatch would be provided in the control panel.

JIS-B | Mechanical power presses — Testing of the accuracy | Document Center, Inc.

Naturally, if you form product under the same condition, the slide speed adjustment is proportional to the load gauge display. Machine life is drastically shortened if the press is used under three more times of nominal capacity maximum capacity repeatedly usually, the 642 and the frame get damage.

Because the press is designed to deform product, not for assuming of crashing tools themselves repeatedly. Home Products Profile Brochure Contact. Pneumatic balancer for slide 2 nos. In other word, as the compression value for the testing piece is criterion, set the figures of equivalent amount on the load gauge. Suitable centralized Motorised Lubrication Pump. The main frame plates are in one piece re-enforced by ribbing wherever necessary to provide rigidity to the frame and assuring least defection on full load.

Frame is stretched by three times This three time figure shows the maximum applied load of the press. Therefore, the press needs to have emergency stop his if the overload happened. You can adjust the slide speed freely adjustable forming energy freelyhowever, you can’t control how many kN to strike.

Our company does not employ this method because in case of hardened spring adjustment of the torque limiter by mistake, machine may always running with overload and finally machine may brake.

Squirrel Cage Electric Motor.