Primer sanding machine
Primer sanding machine

Primer sanding machine

Function:  it applies the vertical running sand belt and equipped with advanced precise hardware to ensure sanding the primer accurately and evenly.
This primer sander is suitable to flat surface ensure very fine effect, you can choose different configuration to meet various primer sanding application. 

· Application filed:

  furniture, door, wardrobe, cupboard, floor, decoration, building insulation, etc.
· Application board:
  solid wood board, ply, mdf, mfc, pb, calcium silicate board, fiber cement, etc.


These technical parameters are based on different working width of standard models, and for reference only. Your customization is available.
Primer sanding machine SL-TWSP-RRS Working width 40 to 630mm Working width 40 to 1000mm Working width 40 to 1300mm
Overall dimensions(length*width*height) 1860*1250*2000mm 1860*1680*2040mm 2200*2030*2150mm
Estimated weight 1200kg 2050kg 2850kg
Working thickness 2-100mm 2-100mm 2-100mm
Working length ≥270mm ≥270mm ≥310mm
Sand belt 1900*650mm  320p400p 2000*1020mm  320p400p 2200*1320mm  320p400p
Conveyor speed 5-25m/min 5-25m/min 5-25m/min
Dust absorption wind speed 8200m³/h 8200m³/h 8200m³/h
Air pressure 0.6mpa 0.6mpa 0.6mpa
Full power 9.92kw  380V 50HZ 3P 17.32kw  380V 50HZ 3P 26kw  380V 50HZ 3P
1st sanding frame Φ190mmSH30  20m/s  4kw Φ190mmSH30  20m/s  7.5kw Φ240mmSH30  20m/s  11kw
2nd sanding frame Φ190mmSH25  17.6m/s  4kw Φ190mmSH25  17.6m/s  7.5kw Φ240mmSH25  17.6m/s  11kw
Brush roller 0.25kw 0.25kw 0.37kw
Automatic lifting 0.55kw 0.55kw 0.55kw
Sand belt dust blow 0.015kw 0.015kw 0.015kw
Conveyor power 1.1kw 1.5kw 3kw
Electric motor 6, UNIS from China
Electrical appliance  LS from Korea,  Chint from China
PLC 1, DELTA from Taiwan, China
Frequency Converter 3, DELTA from Taiwan, China
Electromagnetic valve Kurogane from Japan
Photoelectric switch OMRON from Korea
Conveyor H850mm, Flat table, T8mm PU anti-skid belt with air holes
Working direction Right to left
Control 1, MCGS LCD screen, HMI, Chinese and English
Optional models for different process Single / Double sanding frame Sanding frame automatic lifting Working table automatic lifting


Different configurations to meet various demands and investment. Your customization is available.
  • Automatic PLC control HMI

    Automatic PLC control HMI

  • Double primer sanding frame

    Double primer sanding frame

  • Sanding frame auto lifting

    Sanding frame auto lifting



  • DELTA Frequency control

    DELTA Frequency control

  • Different primer sanding choose

    · According to different paint coating thickness and primer sanding effect demands, you can consider single or double sanding frames.

    · Working table lifting function suitable to use this machine independent or connect with line but all the boards ensure uniform thickness.

    · Sanding frame lifting function is optional that suitable to various boards thickness easily to adjust independent or within line.

  • Eccentric shaft

    Sanding axis combine seamless steel tube, eccentric shaft core with NSK bearing, through fine manufacture to ensure balance error around ±0.02mm, prevent miss or deviate sanding.

  • NBR

    Apply Korea Nitrile-butadiene rubber as the sanding roller, with hard and cushion feature at the same time ensure stretching the sand belt well and prevent primer over sanding.

  • Independent shaft hanging slab

    Each shaft fix on independent stable hanging slab and easily to solve the sanding deviation. Just turn the screw to different direction which one round means 0.1mm rectify accurately.

  • Eccentric shaft damp lifting

    The former sanding frame apply air cylinder lifting the eccentric shaft when it's rest that can protect the boards from damaged if machine stop emergency.

  • Sanding belt adjust knob

    On the sanding frame face with knobs that can adjust the sanding belt in case of it out of central, the knobs are intuitively clear and easily to operate.

  • Sanding belt swing blowing dust

    Add the swing style blowing device near the top of sanding belt to remove dust during work, it will help to promote sanding effect and increase its lifetime.

  • Automatic thickness detect

    Supported by advanced hardware that the feeding entry with automatic detect function of each board thickness accurately.

  • Sanding dust brush

    At the end of sanding frames with one set of dust cleaner brush that can remove the redundant dust away.

  • Underneath type motor

    The main and heavy motor stay low to the ground ensure working stable and reduce shacking.


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