1. Precise control of sand belt/grinding wheel parameters
Number of Contents Selection:
#80- # 180 (coarse texture, spacing 0.3-0.5mm)
#240- # 600 (medium texture, spacing 0.1-0.3mm)
#800- # 1500 (fine texture, spacing<0.1mm)
Special sand belt:
Pyramid shaped sand particles (VSM GmbH, Germany): capable of producing a cross mesh texture
Ceramic alumina sand belt: maintains mesh stability (± 5%)
2. Optimization of equipment motion parameters
Parameter coarse texture setting fine texture setting
Linear speed (m/min) 8-12 15-25
Feed rate (mm/r) 0.3-0.5 0.1-0.2
Overlap rate 30% 70%
Vibration frequency (Hz) 50 (without assistance) 200 (with ultrasound assistance)
Formula: Texture density (line/mm)=(grit of sand belt x 0.2)+(line velocity/5)
3. Material pretreatment process
Hardness control:
2B surface (HV180-200): suitable for medium density textures
BA surface (HV220-250): capable of processing ultra-high density textures
Rolling direction control:
Parallel rolling drawing: texture continuity+15%
45 ° cross drawing: visual density increased by 20%
4. Dynamic cooling technology
Liquid nitrogen cooling (-196 ℃):
Suppress material rebound and increase texture clarity by 40%
Suitable for difficult to machine materials such as SUS316L
Nano lubrication system:
Graphene additive coolant: reduces sand belt clogging (extends lifespan by 3 times)
5. Intelligent detection closed-loop system
Online monitoring:
Laser confocal sensor: real-time measurement of Ra value (accuracy 0.01 μ m)
Machine Vision CCD: Texture Density AI Analysis (200 Samples per Minute)
Automatic compensation:
Deviation type compensation method
Density is 10% lower, increase sand belt pressure by 5N
Adjust the robot path speed for local unevenness by ± 2%
Typical case:
A certain elevator panel project requires 0.12mm ± 0.02mm equidistant texture:
Select # 600 ceramic sand belt
Set linear velocity of 18m/min+ultrasonic vibration (150Hz)
Adopting PVDF coating protective solution for instant curing
Ultimately achieving a process capability of CPK>1.67
