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PTJ Manufacturing Shop

Coordinate grinding machining precision and other case studies - PTJ Shop

Coordinate grinding machining precision

Machining accuracy
(equipment)

  1. Position accuracy guarantee: can reach within ±0.002mm, (including ¤, ≡, ⊥, etc.)
  2. Dimensional accuracy guarantee: can reach within ±0.002mm, (including one, ○, cylindricity, ⌒,)
  3. Surface roughness guarantee: can reach 0.2

Machining accuracy

measurement accuracy

(Processing measurement and quality control quality)

  1. Position accuracy guarantee: can reach ±0.0015mm. (including position, symmetry, inclination, verticality, parallelism, etc.)
  2. Dimensional accuracy guarantee: can reach ±0.001mm (including straightness, roundness, cylindricity, flatness, line profile, surface profile, etc.)

measurement accuracy

Material and performance impact

It can ensure the positioning between the workpiece and the workpiece. The relative position and dimensional rotation can meet and meet the design requirements, and the hardness, strength, toughness, plasticity, wear resistance, corrosion resistance and service life of the material are not affected after processing.

Material and performance impact

The comprehensive personnel experience can actually guarantee the following accuracy:

(including testing tools, instruments)

  1. Aperture accuracy (∅1.5——∅30 ±0.002mm)
    (∅31——∅60 ±0.005mm)
    (∅61 or more ±0.008mm)
  2. Pitch (or position ¤) (5-150mm ±0.003mm)
    (152-250mm ±0.005mm)
    (255-400 ±0.01)
  3. Surface roughness: less than 0.4
  4. Parallelism ‖, concentricity ◎, verticality ⊥ (150 or less ±0.003)
    Symmetry ≡ (150-250 ± 0.005)
    (250 or more ±0.01)
    True roundness ○, cylindricity, area: within 200mm2, ±0.003
    200-500mm2 ±0.005
    500-800mm2 ±0.008
The comprehensive personnel experience can actually

PTJ Machining Capabilities

Automatic Bar Machining capacity for parts from 1/16" to 2 5/8”
CNC Turning – CNC multi-axis machining centers for superior speed & flexibility
Custom Machining - expert machined components delivered on time
Multi Spindle Machining- Davenport, Euro turn, New Britain & Acme Gridley
Screw Machine Products – precision components from a broad variety of materials & Equipment
Swiss Machining – micro-parts to 1-1/4 round diameter providing speed, high capability including precision tolerances and specialized finishes
High Volume Machining – Specialized in machined parts exceeding 1,000 pieces up to millions of pieces for optimum efficiency
CNC Milling - Machining from bar stock, plate or block metal using up to 3 axis of motion
5 axis (11 axis) Machining – Multi Axis Multi spindle technology for completing complex parts efficiently in one operation. C=0 sampling plan & equipment versatility provide one stop shop capability for a variety of applications

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