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AFTER SALES SERVICE

SEEDTEC offers complete and quality support after the purchase of surface grinding machine.

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If any failure, accident, trouble or error cannot be handled by instructions given in the operation manual occurs during the use of any SEEDTEC product, please contact SEEDTEC by using the form below. SEEDTEC service team will respond as soon as possible.

Customer care

After Sales Service

PRODUCT
INQUIRY

Let us know which surface grinding machine you are interest.

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Please fill following forms, and let us know which model you want to know more, our sales team will contact you as soon as possible.

PRODUCT INQUIRY
Product Inquiry
PRODUCT REGISTRATION

PRODUCT REGISTRATION

We would like to know you more.

 

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SEEDTEC would like to know more about our customer, therefore, if you are willing to filling the registration,

we will gladly send you a small gift as a courtesy.

Product Registration

WARRANTY

Trustworthy with SEEDTEC’s surface grinding machine and service.

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You can depend on the quality of your machine. All the SEEDTEC products offer 1-year warranty, with normal operation (No any mis-operational accident such as collision).

WARRANTY
Warranty

SPARE PARTS

Material ensures that your machine has everything it needs.

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We keep thousand original spare parts in stock for you.

An experienced team of spare part handle exclusively with the identification and shipping of the spare parts which you require.

These meet the high quality standards of SEEDTEC.

We can also supply original spare parts for older machines.

Spare Parts

MACHINE
OVERHAUL

Rebuild ensures your machine to work just as reliably as if it were new.

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We will gladly provide you with on-site advice regarding the overhaul of your machine, and the machine will be overhauled by our fully experienced employees.

A machine overhaul comprises:

  • Complete dismantling of the machine 

  • Renewal of the guide ways 

  • Repainting of the machine and components 

  • Construction of the machine and the associated geometry 

  • Recommissioning including functional and geometry inspection 

Machine Overhaul

SOLUTION

MAKE IT SIMPLE FOR YOU.

SEEDTEC believes the it’s manufacture’s responsibility for providing a turn-key
solution to the customer which built on reliable and accuracy machine to
maximize customer’s profits.

Therefore, SEEDTEC established a technical centre and a experienced team to
focus for the customer solution, this service including test grinding and
customized grinder development.

Solution

TECHNICAL CENTER

PROVIDING TURN-KEY SOLUTION & SERVICE

Several machines, including super-precision grinder, and sub-nano grinding machine, are on permanent exhibit in the technical center in order to be used for research & development of optimum grinding technology and building new technology suited to the machining issues presented in and out of the company.
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SEEDTEC has established a specialized team for technical centre to continuously developing solutions for grinding issues, which is in order to provide a best turn-key solution for all of our customer.

Technical Center
Test Grinding

TEST GRINDING

EXPERIENCE OF SUPER-PRECISION GRINDING RESULT

The technical center accepts test machining, when required, for customers who are interested in selecting and introducing new equipment.
Please inform us of your required machine model, size, shape and material of workpieces to test (Please see send workpieces to SEEDTEC), target accuracy, target machining rate, etc. in detail. Test grinding will basically be available at basic charge.  Please feel free to try a SEEDTEC super-precision machine.

Customized Grinder Inquiry

CUSTOMIZED GRINDER INQUIRY

CONSULTATION FOR DEVELOPMENT OF NEW MACHINE TOOLS

For any grinding questions or inquiries, please consult SEEDTEC. The strength of developing and proposing a customized machine which meet customer’s expectation is SEEDTEC’s advantage. SEEDTEC will base on the detailed discussion with customer and fulfill customer’s demand with engaged in the proposal and development with scrupulous care.

INFORMATION COMMONS

(Only for distributors / agents)

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Please asked Seedtec to provide passwords.

Information is in Chinese.

Information Commons

Q & A

YSG 618 / 52 MANUAL / HYDRAULIC SURFACE GRINDER TROUBLESHOOTING

Q1. Why does the grinder worktable longitudinal / cross or wheelhead up / down moving become laborious？
This is because the linear guide or ballscrew is shortage of lubrication, please adjust the lubricating volume as the following.

  1. Please check the oil level indicator, if the oil volume is low, refill the oil (Mobil#1405)

  2. Please clear up the lubrication tank and replace the new oil (Mobil#1405). If too much dust is deposited in the oil tank, the dust will easily move along with the lubricating oil on the LM guide & the ballscrew, finally, it will cause unsmooth movement.

  3. Please turn counterclockwise of oil distributor to increase the oil volume according to the instructions on the oil tank cover.

Q2. The wire rope of the worktable is broken, how to repalce it?
Please replace the new wire rope of worktable, kindly contact with Seedtec sales team to provide the instructional video or ask Seedtec service team  to do service. 

Q3. Why does the surface grinder vibrate excessively?

  1. The dynamic balance of the grinding wheel is not done well: Please do grinding wheel dynamic balancing calibration. (Please contact with Seedtec sales team to provide relevant documents)

  2. The surface grinder is out of balance: Please do the machine leveling adjustment. (The surface grinder will lost the balance when its position is moved)

Q4. Why does the workpiece appear chatter mark after grinding?

  1. The grinding wheel head vibrate excessively: it is necessary to do grinding wheel dynamic balancing calibration. (Please contact with Seedtec sales team to provide relevant documents)

  2. The diamond dresser passivated: please replace a new diamond dresser.

  3. The grinding wheel flange wore or damaged: Please replace the new wheel flange. The flange damaged will not fit closely with spindle and it will cause the vibration when grinding wheel rotates. 

Q5. The surface grinder is oil leaking, how to check it?

  1. The surface grinder is out of balance: please do the grinder leveling adjustment. (The surface grinder lost the balance when its position is moved)

  2. Lubricating oil pipe aging, cracking or falling off:  Please replace the new lubricating pipe.

  3. Excessive supply of lubricating oil: Please turn over the dust-proof pad of the oil tank behind the column.
    Locking No. 3 in clockwise of oil distributor then turn 1/2 counterclockwise. This is the most suitable oil supply volume. 

Q6. Why does the grinding wheel head drop down suddenly during processing?

The omen of grinding wheel head suddenly drops during the processing

  1. Sparks get bigger and bigger.

  2. The down feed value is unstable. (The different between Infeed value and displayer value of optical scale are too large)

  3. The workpiece is unevenly ground.

Please check the following.​

  a. Please check the oil level indicator, if the oil volume is low, refill the oil (Mobil#1405)

  b. Please clear up the lubrication tank and replace the new oil (Mobil#1405). If too much dust is deposited in the oil tank, the dust will easily move along with the lubricating oil on the LM guide and the ballscrew and cause unsmooth movement.

  c. Please check whether there is lubricating oil on the ballscrew of column and whether the rail is rusted.

Q7. Why does the lubrication tank overflow?

Firstly, please check the oil leaking is from hydraulic cylinder or the oil tank is mixed with the cutting fluid.

  1. Please check the bottom of oil tank is cutting fluid or oil

  2. if the bottom of oil tank is oil: then please replace the oil seal of hydraulic cylinder.
    If the bottom of oil tank is cutting fluid: please advice customer to pay attention to whether the cutting fluid spray direction will be sprayed into the oil tank and replace the new oil.

Q8. What is the cause of oil leakage at the front end of the surface grinder base?
It is caused by hydraulic speed control valve or oil pipe aging. Open the side cover of grinder based and check the oil leakage position, then replace the new oil seal of speed control valve or new oil pipe. 

Q9. Why does worktable move left and right with excessive vibration? 

  1. The surface grinder is out of balance: please do the grinder leveling readjustment. (Please adjust the leveling bolts)

  2. The hydraulic throttle valve is not adjusted properly: Please adjust the throttle valve to supply the proper volume of oil to the worktable. The throttle vavle is located below the solenoid valve of oil tank (Please contact with Seedtec sales team to provide adjustment video). 

Q10. Why does worktable movement become slowly?

  1. The oil shortage of hydraulic oil tank: Please check the oil level indicator, if the oil volume is low, refill the oil.

  2. Please check whether the worktable box ways are covered with lubricating oil. If shortage of oil, please adjsut the oil distributor output.
    Locking No. 3 in clockwise of oil distributor then turn 1/2 counterclockwise. This is the most suitable oil supply volume.

  3. The pressure value of oil pressure gauge has changed: Please adjust the oil press gauge value to 18 kg/cm^2

Q11. Why doesn't surface grinder power light on the control panel light up?

  1. The fuse inside of electrical cabinet was burned out:
    Please replace the 2A fuse for manual type machine.
    Please replace the 4A fuse for hydraulic type machine

  2. The lubricating pump burned out: Please repalce the new lubricating pump.

Q12. Why does the spindle motor can't rotate?

  1. The electromagnetic contactor was overload:  Please press the blue button at the lower left of the contactor to reset.

  2. The spindle motor was burned out: the spindle motor is still not working after reset the contractor, then the spindle motor may burn out, please replace the new spindle motor. 

Q13. Why does the dust seperator and coolant motor can't rotate?

  1. The electromagnetic contactor was overload:  Please press the blue button at the lower left of the contactor to reset.

  2. The dust separator & coolant motor was burned out: the  motor is still not working after reset the contractor, then the dust separator & coolant motor may burn out, please replace the new motor.

Q14. Why doesn't the power light of hydraulic oil tank on the control panel light up?

  1. Worktable speed control valve is not at the propery position, please place the speed control valve back to the "OFF" postion.

  2. The fuse was burned out: Please replace the new fuse.

Q&A

YSG 12/16/ SERIES SURFACE GRINDER TROUBLESHOOTING

Q1. What is the cause of the abnormal sound of the spindle?

  1. Coupling star rubber is aging (the spindle starts with impact sound): Please replace the new coupling star rubber.

  2. The spindle bearing wore out or damamged: Please replace the new bearing.

Q2. Why does worktable move left and right with excessive vibration?

  1. The surface grinder is out of balance: please do the grinder leveling readjustment. (please adjust the leveling bolts)

  2. The hydraulic throttle valve is not adjusted properly: Please adjust the throttle valve to supply the proper amount of oil to the worktable. The throttle vavle is located below the solenoid valve of oil tank (Please contact with Seedtec sales team to provide adjustment video).

Q3. Why does worktable movement become slowly?

  1. The oil shortage of hydraulic oil tank: Please adjust the oil output of oil distributor. The oil distributor is located on the saddle just underneath the wheelhead.
    Locking in clockwise of oil distributor then turn 1/2 counterclockwise. This is the most suitable oil supply volume. (Please also check whether the worktable box ways are covered with lubricating oil

  2. The pressure value of oil pressure gauge is changed: Please adjust the oil press gauge value to 20 kg/cm^2

Q4. The surface grinder is oil leaking, how to check it?

  1. Firstly, please check the oil leak position of surface grinder and check whether the lubricating oil tank is overflowing.

  2. Please check whether the hydraulic cylinder is oil leaking, if yes, please replace the new oil seal.

Q5. Why is the workpiece unevenly ground, uneven sparks, and unstable infeed?

Column splash-proof bellow interference: The Column bellow of surface grinder needs to be regularly cleared of accumulated dust to avoid the excessive accumulation of dust that affects the normal infeed motion of grinding wheel head. Or the infeed extrusion due to the accumulated dust to causes the wheelhead tilted, thereby causing uneven grinding of the workpiece and sparts and unstable infeed.

Q6. Why does the surface grinder infeed is unstable?

  • AHD series: 

    A. The hydraulic throttle valve is not adjusted properly: Please adjust the hydraulic throttle valve properly which is under the solenoid valve of oil tank (Please contact with Seedtec sales team to provide adjustment video).

    B. Auto infeed ratchet wheel wore out or damanged: Please replace the new ratchet wheel.

  • TS series: 
    Column splash-proof bellow interference: The Column bellow of surface grinder needs to be regularly cleared of accumulated dust to avoid the excessive accumulation of dust that affects the normal infeed motion of grinding wheel head. Or the infeed extrusion due to the accumulated dust to causes the wheelhead tilted, thereby causing uneven grinding of the workpiece and sparts and unstable infeed.

Q7. Why does worktable of surface grinder make noise when moving?
The worktable makes noise when moving, that is because the nuts on both end of hydraulic cylinder mandrel are loosen. Please tighen properly the both end nus. The most suitable tightness is that the mandrel can be moved up and down manually.

Q8. Why does the workpiece appear chatter mark after grinding?
There are few factors to cause the workpiece appear chatter mark after grinding.

  1. The grinding wheel head vibrate excessively: it is necessary to do grinding wheel dynamic balancing calibration. (Please contact with Seedtec sales team to provide relevant documents)

  2. ​The diamond dresser passivated: please replace new diamond dresser.

Q9. Why doesn't the auto infeed/rapid infeed move?
The auto infeed/rapid infeed doesn't move it is because the transmission belt was borken, please replace the new transmission belt.

Q10. The surfae grinder base is oil leaking, how to check it?

  1. Please dismantle the side cover of surface grinder base and check whether the hydraulic speed control vavle has an oil leak. If yes, then replace the new oil seal of speed control valve.

  2. Please dismantle the side cover of surface grinder base and check whether the oil leak due to the oil pipe aging. If yes, please replace the new oil pipe.

Q11. The surfae grinder side cover is oil leaking, how to check it?

  1. Excessive supply of lubricating oil at worktable: Please adjust the oil distributor supply.
    Locking in clockwise of oil distributor then turn 1/2 counterclockwise. This is the most suitable oil supply volume. (The oil distributor is located on the saddle just underneath the wheelhead)

  2. Please check whether the hydraulic cylinder has oil leaking, if yes, please replace the oil seal.

Q12. Why does the movement of the worktable is faulty?

  1. The proximity switch that controls the limited movement of the left / right of the worktable is broken: Please replace the new proximity switch.

  2. The solenoid valve of hydraulic oil tank is broken: Please replace the new solenoid valve.

Q13. Why does the auto fuction of cross movment is faulty?

  1. The proximity switch that controls the limited movement of the rear / back of the worktable is broken: Please replace the new proximity switch.

  2. The solid state relay of electrical cabinet is broken: Please replace the new solid state relay.

Q14. What doesn't the power light of hydraulic oil tank on control panel light up?

Worktable speed control valve is not at the propery position, please place the speed control valve back to the "OFF" postion.

Q15. Why does the hydraulic system of worktable is unable to start moving?

  1. The handwheel of worktable has been locked: Please release the safety bolt located on the left side of the handwheel.

  2. The megnetic chuck is not working: please ensure the megnetic chuck switch turn to "ON" position.

  3. The electromagnetic contactor of electrical cabinet was overload: Please press the blue button at the lower left of the contactor to reset.

Q16. Why does the spindle motor is unable to start rotation?
The electromagnetic contactor of electrical cabinet was overload: Please press the blue button at the lower left of the contactor to reset.

Q17. Why does the worktable not move when presses the machine start button after the worktable stops.

For safety reason, once the worktable is stopped, it is necessary to push the worktable start button on the control panel so that the worktable can operate normally.

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