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450I Manual Surface Grinding Machine

Manual operation / Long lifespan / Accuracy 0.002mm

High Precision,The Best Model For Small Parts,Accuracy Within 0.002mm,Micro Feed 0.001mm.

Long Life，Easy To Operate,Using Top Castings.

Patented Belt Drive ,Easy to use and durable.

Suitable for processing precision small parts, mold inserts, punches, guide posts

With magnetic disk adsorption or special fixtures, it can grind and process flat surfaces, cylindrical surfaces, angles, grooves,and other various part shapes and profiles.

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450I manual surface grinding machine
  • Import substitution

    price is only 1/2 of Japanese grinding machines

  • Stable performance
    long lifespan

  • High-Precision Grinding

    Flatness: 0.002mm

    Smoothness: RA0.02

  • 10-year accuracy guarantee
Core Functionality


The core technology is inherited from a top Japanese grinding machine manufacturer. It is suitable for machining precision small parts, mold inserts, punches, guide pillars, and other products, as well as various special materials such as ceramics, silicon carbide, glass, alumina, and tantalum; it can perform grinding operations on flat surfaces, curved grooves, multiple grooves, and fine grooves.
Core Technology
  • Taiwan-made spindle
    P4 grade ball bearings
    ideal for ultra-hard grinding
    spindle runout ≤2μ
  • Original imported ground lead screws
    Precision and durability are 30% higher than ordinary lead screws
  • Original imported traceability certification
Unique Design
  • Hand-Scraping

    Utilizing hand-scraping technology from Japan, master technicians with decades of experience significantly improve machine tool precision, stability, and lifespan through manual .

  • Flat and V-shaped guide rails

    The use of flat and V-shaped guide rails prevents deformation and jamming during left and right movements, improving ductility and stability.

Technical Parameters / Specifications
ItemYASHIDA 450I
Maximum grinding length460mm
Maximum grinding width160mm
Maximum grinding width distance from the spindle to workbench380-400mm
Standard disk size standard disk size150*400mm
Table size150*450mm
Maximum left and right stroke485mm
Maximum front and rear stroke480mm
T-groove Table T-slot of workbench17*1mm*m

Front and Rear Handwheel Feeding

one scale0.02mm
one turn5mm
Up and Down Handwheel Feedingone scale0.005mm
one turn1mm
Spindle speed of spindle2850/3600Rpm
Spindle motor1.5Hp
grinding wheel size (diameter * width * aperture) 180*13*31.75Mm（7*2/3*1-1/4）
Flushing motor0.4kw
Vacuum motor0.37kw
Machine dimensions (length * width * height) Machine dimensions (L * W * H)1300*1100*1900Mm
Mechanical weight mechanical weight880kg
Standard accessories
ItemUnit
Flange1
Frequency Converter1
Magnetic Disk1
Optical Scale1
Grinding Wheel1
Coolant System / Dust Collector ( choose one for free)1
Production Scenario
Ensure precision, stability, and long-lasting durability.
  • Good Mother Machine Imported Processing Mother Machine
  • Premium Materials High-Grade Cast Iron Castings
  • Master Craftsmanship Over 10 Years of Expert Handmade Artistry
  • Professional instruments for testing and recording
Application Scenarios
Import Substitution—High Cost-Performance Ratio
  • 10-inch light guide plate
  • Mold base plate
  • Precision buckle
  • Connector mold
  • Concave-convex R-fit parts
  • Curved mold
  • Irregular groove
  • Ceramic back cover for mobile phones
Applied in automotive parts, aerospace precision machining, tungsten steel round bar/tungsten steel product processing, high-precision molds, mold accessories, ceramic precision parts, ceramic product processing, precision tools, measuring instruments, power tool component machining, precision mechanical parts, bearings, and other fields.
Selected Partner Clients
Import Substitution—High Cost-Performance Ratio
Each Machine Tool Features a QR Code for Traceability.
This provides clear visibility into our production processes, instills greater confidence in equipment quality, and facilitates subsequent usage and maintenance.
Stringent Quality Control Quality Choic
Compliance-Certified Products CE/ISO Tested Crafted with Precision Peace of Mind
Stringent Quality Control Quality Choic
  • EMS Certificate Of Registration
    EMS Certificate Of Registration
  • Qms Certificate Of Registration
    Qms Certificate Of Registration
  • Ohsms Certificate Of Registration
    Ohsms Certificate Of Registration
Service Commitment
  • 24-hour technical response, service outlets nearby
    24-hour technical response, service outlets nearby
  • 1-year warranty on the entire machine
    1-year warranty on the entire machine
  • Lifetime maintenance
    Lifetime maintenance
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