A: Before starting: Add engine oil to the balance cylinder (more than 6 times).
Drain filter cup.
Check if the oil pressure pipe leaks.
Confirm the emergency button and other buttons.
Check oil feeders of clutch and solenoid valve.
Clean engine oil strainer once a week.
Clean blower strainer of main motor once a week.
Add #2 grease to the sliding bearing of the moving equipment once a week.
A: Annealing
After metal materials are formed by cold forging, unnecessary local stress may appear in materials. Anneal is a thermal treatment method, and is mainly for removing inner stress, enhancing toughness, and increasing mechanical property of cold forging products.

Pickling, Phosphate and Lubricant Coating
1. Materials for coil rod (bar):
With mill scale outside where its purpose is to remove and destroy coating factor and corrosive substance, we can incorporate anti-rust action, enhance combination of coating and work piece, also improve corrosion-resistance performance on the coating.

2. Before cold forging work pieces:
Mold wear-resistance processing: Metallic material with smooth surface may be able to decrease friction that molds cause to forgings, avoiding wear and breakage of molds during forging and production.
Lubricant for work piece re-processing: The materials with smooth surface may increase forged size and fined surface after they are cold forged.

Spheroid and Annealing
Spheroidizing annealing is a thermal treatment process for high-carbon steel materials (>0.6%). Low-carbon steels are seldom machined after spheroidizing because it is more flexible and viscous. High-carbon steels can be used for producing cold forging products after spheroidizing. To conduct spheroidizing annealing, metal materials shall be heated so that its temperature is lower than the annealing point, and then the metal materials shall be placed at this temperature for a period of time before cooling. This annealing treatment can make cementite to become small balls (spheroid), which are distributed in layer or mesh structure in steel. In this case, the material is easy for cold forging.
A: 1. Cutting of the workpiece is made from a rod which is not calibrated Ф28-30mm., cutting length depends on the type of nut .
2. Use Hot crank press: Then operator moves heated bulk product at the exit of the induction furnace to the 3-station stamp press. Three single working stations forms one product. First station, the workpiece is pressed. Then, is main hot forging. The second station punches the hole of the nut.
3. CNC Lathe: The workpiece needs to be processed again by lathe before it is formed.
4. Thread turning is made on multipurpose lathes , manual piece loading and unloading parts.

The transfer of the workpiece from station to station is manually accomplished by special Tool, no automation at all.This technology is inefficient .
A: The Alloy Steel Wire Rod needs Pickling and Phosphate ,without annealed.
JPF Series -FULL-AUTOMATIC CUTTING AND FLATTENING MACHINE ,Wire feeder and straightening machine are in accordance with the wire diameter specified at the time of quoting.

After FULL-AUTOMATIC CUTTING AND FLATTENING MACHINE, it shall be spheroidically annealed, and then is treated by① hydrochloric acid ②cleaning ③Pickling, Phosphate and Lubricant .

As for the SERVO KNUCKLE PRESS, after the former processes, materials are sent to the auto transfer device through the ARRAYING FEEDER, and then it is shaped after the 5-stage cold forging.
A: We design and develop the servo knuckle cold forging press. Presses shall be durable and power saving, manipulator’s replacement is accurate and handy, and assembly and disassembly of mold are safe and quick. The three items work together can give full play to its function and reach the requirements.

1. Reduction of human power and increase of technology
2. Increase of production quantity and stabilization of quality
3. Green energy (Power saving)
4. Reduction of mold cost
5. Reduction of costs and pollutions in processes, like film treatment, annealing treatment, man-hour reduction of manpower handling. This is the requirement and goal should be reached by all manufacturers.