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After-sales service
Author:
济南赛信机械有限公司
Time:
2013-7-28
Daily
1538
◆ The company’s sales engineers are responsible for offering customers professional advices on the market, equipment, technology, ingredients, packaging and other issues.
◆ On-site demonstration for the company’s facilities of different kinds is available on request;
◆ The company offers assistance in equipment selection, process design, and plant layout. On-site services are also available on request.
◆ The company is responsible for dealing with transporting the equipment, sending technical personnel for on-site installation, and offering training services.
◆ The equipment is covered under warranty service within one year from the date of purchase. Moreover, lifelong maintenance will be offered with charge. Also, spare parts will be offered at discount at any time.
◆ Production of similar equipment as required is available.  

Repair and Maintenance

◆Check the fixing bolts at connection flanges, distribution boxes, gear boxes, or thrust boxes at regular intervals; if they are loose, fasten them.
◆Replace lubricating oil for reduction gears at intervals of every six months; clean distribution boxes and replace lubricating oil for new equipment after put into use for two months, and at intervals of every half year since after. After the oil is replaced, check the bearings in distribution boxes to see if there is any voice after turning on the equipment
◆ Check the oil pump to see if there is gas leakage or blockage.
◆Adjust it if any loose happens; replace it when it is worn or damaged.
◆Check the transmission vee belt monthly to ensure its tightness.
◆Check the rotary cut blade regularly; if it is worn, please replace it to avoid production of inferior products.
◆Examine the electrical wires once a week to ensure that all wire are tightly connected or covered with no dust; examine the insulation resistance (less than 0.5 Ω) and grounding resistance (less than 4 Ω) at intervals of half a year.
◆Check the wear of thrust bearings in the distribution box at the 20th date from the start of running; if the gap is excessively large, please replace it immediately.
◆ Examine the screw and barrel after the equipment is put into use for half a year; if they are excessively worn, please replace the screw sets at the front.
◆Apply oil onto the die head, screw, and other parts to prevent corrosion if the use of the equipment is suspended.
 
Failure analysis and ruled ou
No.
Problems
Description
Cause
Solutions
1
No Ingredient is discharged
No flour is taken out at the die head of the extruder during normal production or at the startup.
A、Add inadequate water at the startup
Add water to the level as required
B、Excessively large size of pellets for ingredients
Grind it as required
C、The main motor is reversely rotated
Change the phase sequence
D、Inconsistent temperature
Adjust the temperature as required
E、Residues remain in the barrel
Turn off the machine for cleaning before re-turning on
2
Abnormal discharging of ingredients
Excessively fast discharging (over-puffed)
A、Low content of water in ingredients
Add water
B、Excessively high temperature at Area II
Bring down the temperature at Area II
C、Malfunction of the temperature controller
Replace it
D、Excessively-worn screw
Replace the cutting blade
Product is not puffed
Excessively low temperature at Area II
Adjust it as required
3
Abnormal cutting
Products are not formed into required shards or involve rough edges
Some of the cutters have excessively large intervals or are excessively worn.
Re-adjust or replace it
4
Non-rotating of the motor spindle
Non-rotation due to cutting-off of power or after the production is completed
A、The barrel is full of ingredients
Burning of ingredients at high temperature
B、Mechanical damage at the transmission gear
Open and check the transmission gear
Please contact us when other problems take place
Saixin Machinery TEL:0086-15820098872 0086-531-81217339 FAX:0086-531-81211228 
E-Mail :jinansaixin@188.com