Address: No.6, Baozhong Road, Baodi Economic Development Area, Tianjin City, China.
Tel.: +86-22-22539188
Fax: +86-22-22539188

Service & Technology

Pre-sale Service
We can design the factory site for the clients with no charge. Planning layout diagram will be offered to the client for reference and confirmation. In addition, we can decide the matching ratio according to the raw materials, and estimate the concrete product cost.

Sale Service
Each set of equipment is available with a set of quick-wear parts, for instance, oil seal, scrubbing brush, guide wheel, etc. The equipment delivery period is 25 to 30 days or so.

After-sale Service
No. Name Warranty Coverage Warranty Period Conditions When Paid Service is Offered.
1 Main Frame Breakage or serious deformation resulted from manufacturing reasons 12 months a. It is not used according to the operation instruction and related requirements.
b. The foundation is uneven.
c. Collision caused by human reasons
2 Hydro-cylinder The cylinder score or oil lever is broken because of the materials or manufacturing technology 6 months a. The hard foreign matters get inside the oil cylinder, resulting in the damage to the inner wall.
b. Piston rod bending because of the impact force
3 Motor The manufacturing reasons caused shell cracking, bearing damage, or short circuit of three-phase coil 6 months
4 Oil Pump It is cracked for the manufacturing reasons 3 months a. Because the oil pump inner part is seriously abraded, the foreign matters get inside, thus resulting in the serious overflow.
b. The oil pump beyond the service life needs to replace its wear-out parts.
5 Electrical Cabinet Due to the improper assembly, it is out of commission. 3 months a. It is burned out because of the low voltage, low current, overvoltage, or overcurrent. b. If it is damaged by impact force or by unauthorized dismantling or assembly, then no maintenance service is available.
c. The inner parts are damaged by water or thunder.
d. The electrical components such as relay, contactor, and sensor are beyond the warranty range.
6 Vibratory Unit It is cracked because of the casting reasons 3 months Axle, bearing, or the gear is damaged.
7 Control Valve Due to the manufacturing reasons, it is blocked or has serious oil leakage problem 6 months a. The pull rod is bent due to the improper use;
b. The pull rod is damaged because of the blocking or foreign matters.

If the mold can form 16 pieces of blocks per time, its warranty time is 60, 000 *16 times. During the warranty time, the block size error is within 1mm. The following are the main content of the mold warranty card:

Mold Instructions
1. The clamping force is no more than 900kg or 6 Mpa.
2. During the distribution vibration or forming vibration, the supporting plate shouldn't be separated from the bottom part of the die.
3. The forming vibration time should be no more than 5s.
4. There should be no matters between the supporting plate and the lower mold part.
5. The deviation should be controlled within 15%.
6. The mold should be cleaned and lubricated after using.
7. When cleaning the remaining aggregate on the trailer, you are not allowed to down press the mold. Also, vibration is prohibited.
8. Do not impact the mold when you do not use it.
9. The compound die should be installed to the same side of the marked holes.

Mold Quality Commitment
1. The mold service life, interval between the press head and casting box, and the allowable deviation of mold size are in line with the GB/T8533-1998 standards.
2. When the mold needs maintenance, you need to provide the mold name, model, and the amount of the plates that have been used.
3. The user must strictly follow the operation instruction; otherwise, no maintenance will be offered.
4. The mold couldn't make the standard amount of plates of blocks, and it is impossible to repair. Under such condition, we can replace it with a new one at a discount.

Remark: The quality commitment is only for the clients who have completed the payment negotiated by both parties.

Other Service
we can customize the mold according to the client's requirements. Installation service is available. If the overseas clients require on-site installation, debugging, and training services, they have to bear the fees such as the round-ticket, board and lodging for our technical personnel. Besides that, they are required to pay 500 RMB a day for each technical personnel. Generally speaking, 7 days are needed for installation and debugging. But the time varies according to different machine configuration.

No. Failure Cause Troubleshooting
1 The system has no pressure, and the pressure can not be adjusted to the regulated value. a. The damping hole of the electromagnetic relief valve is blocked.
b. The spring or main part of the relief valve is damaged.
c. The pump has insufficient oil absorption or low oil level.
d. Low or improper oil viscosity
e. The electromagnetic relief valve spool gets stuck.
f. The pump is abraded, and the inner discharging amount has been increased.
g. The oil pump has low rotation speed, and its direction is incorrect.
h. The oil pump doesn't work though the electric motor operates.
i. The valve and oil cylinder has been abraded, which results in the inner leakage.
a. Dismantle and clean the relief valve (0# diesel oil)
b. Replace the main valve or spring
c. Add oil
d. Change with the suited oil (Summer: 46#; Winter: 323#)
e. Clean, repair, or replace the valve
f. Check the inner leakage. Replace or repair the oil pump.
g. Change the motor phase order, improve the rotation speed.
h. Check the motor coupling.
i. Clean the valve and cylinder. Replace the inner parts.
2 The vibrator can not be started during the concrete product forming processing. a. The control button on the operating board is damaged.
b. The intermediate relay used to control the vibration is damaged.
c. The solenoid valve coil couldn't be connected to the power.
d. The solenoid valve is blocked.
e. The hydraulic motor is broken down.
f. Parameter setting of the forming vibration is unreasonable.
g. The vibrator is damaged or locked.
a. Check and replace the damaged button switch.
b. Change with the intermediate relay of the same model and specification.
c. Check the circuit and connecting terminals.
d. Use diesel to clean the solenoid valve.
e. Repair and replace hydraulic motor.
f. Adjust the parameters.
g. Repair and replace the vibrator
3 The solenoid valve doesn't work a. The electromagnet of the solenoid valve doesn't work.
b. The slide valve fails or gets stuck by foreign matters.
c. The solenoid valve has no electricity.
d. The interlock functions when the last operation hasn't finished yet.
e. Bad oil quality, and the oil viscosity is high.
f. The intermediate relay of the control valve is damaged.
a. Check whether the coil is damaged or not.
b. Use diesel to clean the valve.
c. Check the circuit and connecting terminals.
d. Check up whether the operation is finished or not, and examine the proximity switch.
e. Change with the high quality, low viscosity oil.
f. Change with the intermediate of the same model and specification.
4 Inconsistent block strength a. The angle of the distributor inside the silo is irrational.
b. The improper starting time of the mixing
c. The reciprocating material distribution stroke is improper.
d. The fork position on the mixing stirring shaft changes.
5. The mixing time is too long or too short.
a. Check and adjust the angle.
b. Adjust the time according to the actual conditions.
c. Adjust the reciprocating material distribution stroke according to the actual conditions.
d. Change the abraded ones and make up the lost ones.
e. Adjust the mixing time based on the actual conditions
5 Inconsistent block thickness a. Non-uniform material distribution
b. The mold lower limit position is highly inconsistent.
c. The damping rubber piers are different in deformation degree.
d. The humidity of the aggregate changes.
e. The balance bar has serious deformation.
a. Change the uniformity and humidity of aggregate.
b. Adjust the intervals and control the clamping amount.
c. Replace all the rubber piers.
d. Ensure the humidity of the aggregate.
e. Repair or replace the balance bar.
6 Surface crack a. Because of the uniform materials distribution, one side has fewer materials than the other side.
b. Aggregate is too wet.
c. The surface materials have been air dried, due to the long time storage.
d. Ultra fine sand is used as the surface materials.
e. The forming vibration time is too long, which leads to the block deformation.
f. Too thick surface material.
a. Improve the materials distribution.
b. Ensure the humidity of the aggregate.
c. Do not mix the surface materials as possible as you can. Take precautions against the air drying.
d. Choose the sands of larger particles.
e. Shorten the forming vibration time.
f. Control the surface thickness, and add aggregate.
7 Low speed of trailer a. The oil cylinder is damaged and oil leakage occurs.
b. The idler wheel bearing is damaged.
c. The improper parameters setting.
d. The bottom plate of the trailer is seriously damaged and deformed.
e. The rail is deformed and abraded.
f. There is a pad used for the mold.
a. Check and repair the oil cylinder, change the sealing parts.
b. Change with a new bearing.
c. Increase the pressure parameter.
d. Change the bottom plate with a new one.
e. Replace and repair the rail.
f. Lift the mold, and timely clean it.
8 The commanding apparatus is out of order. a. The fuse is damaged.
b. The circuit breaker trips.
c. The control button is damaged.
d. The isolation transformer is damaged.
e. The stable power is damaged.
f. No PLC signal input
a. Check and replace the fuse.
b. Check the cause, close the breaker.
c. Check and replace the button.
d. Check and replace the isolation transformer.
e. Check and replace the voltage-stabilized source.
f. Check and repair the proximity switch.
9 The lower part of the mold is abraded, but the abrasion is not resulted from the natural reasons. a. The block has sharp edges because of the weak clamping force.
b. One side of the vibration table is seriously damaged.
c. The damping rubber piers are uneven in aging degree.
d. The mold lower limit position is highly inconsistent.
e. There are objects on the molds.
a. Increase the clamping force. Get rid of the sharp edges.
b. Repair the vibration table.
c. Replace all the rubber piers.
d. Adjust the lower limit position, and ensure the consistent intervals.
e. Lift the mold, and timely clean the mold.
10 Abnormal noise generated by the Vibrator a. Check whether the screws on the vibrator are loose or not.
b. Check whether the inner bearing of the vibrator is damaged or not.
c. Check whether only one motor operates.
d. Check the vibrator gear is damaged or not.
e. Check the vibration bearing is lack of oil or not
a. Tighten the screws.
b. Replace the bearing.
c. Repair the motor that doesn't work.
d. Replace the damaged wheel gear.
e. Add lubricating oil.
11 When adding the pump pressure, abnormal noise occurs. a. Resonance between the relief valve and pipeline.
b. Insufficient oil absorption. The negative pressure exceeds the regulated value.
c. The oil tank has low oil level.
a. Increase or decrease the pressure, so as to stagger the frequencies.
b. Clean the oil filter.
c. Add oil.
12 Other failures a. The oil pump motor couldn't be started.
b. The hydraulic system generates heat.
c. The oil color turns to be milk white
d. The oil inside the oil tank turns to be foam like.
e. The valve or oil cylinder has oil leakage problem.
a. Check the thermorelay of the oil pump motor.
b. Improper pressure adjustment, high oil viscosity.
c. Water gets into the oil tank. Check the cooler and the fuel tank cap.
d. Bad hydraulic oil quality. Extend to the oil return pipe under the oil surface.
e. Check the oil leakage, and replace the sealing parts.