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圆度 测量技术 高国富

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brittany-price
114 diapositives · 1.5K Views · Nov 29, 2014

机械制造技术基础专题讲座. 圆度 测量技术 高国富. 圆度测量. 4. 测量误差及影响. 1. 7. 简介. 偏心和跳动. 2. 8. 间断表面测量. 5. 数据处理. 测量方法. 3. 9. 误差分离. 坡度和真圆偏离量. 6. 参考圆. Roundness Introduction. Why Measure Roundness?. Roundness Introduction. Functionality. Con Rod. Cream Dispenser. Conveyor Roller.

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  1. 机械制造技术基础专题讲座 圆度测量技术高国富

  2. 圆度测量 4 测量误差及影响 1 7 简介 偏心和跳动 2 8 间断表面测量 5 数据处理 测量方法 3 9 误差分离 坡度和真圆偏离量 6 参考圆

  3. Roundness Introduction

  4. Why Measure Roundness? Roundness Introduction • Functionality Con Rod Cream Dispenser Conveyor Roller

  5. Why Measure Roundness? Roundness Introduction • Efficiency Ball Joint Hip Joint Bearing Race

  6. Why Measure Roundness? Roundness Introduction • Economy Engine Performance Injector Components Turbine wheel

  7. The Effects of Out of Roundness Roundness Introduction Bearing A A A A B B A B B Rotating Shaft Lubricant Shaft in a Plain Bearing

  8. The Effects of Out of Roundness Roundness Introduction Bearing Rotating Shaft Lubricant Ovality of a Bore

  9. Measurement Methods & Instrumentation

  10. Workbench Methods Measurement Methods & Instrumentation Measuring Roundness using the Three Point Method Dial Test Indicator Rotating Part Vee Block = 3 points of Contact

  11. Workbench Methods Measurement Methods & Instrumentation Measuring Roundness using the Three Point Method Maximum Measured Movement Simple but Has Limitations Vertical Movement of Part

  12. Workbench Methods Measurement Methods & Instrumentation Measured Diameter Measured Diameter Caliper Measuring Roundness using Calliper Gauging Techniques

  13. Workbench Methods Measurement Methods & Instrumentation Measuring Roundness using Calliper Gauging Techniques - Tri Lobed Part

  14. Workbench Methods Measurement Methods & Instrumentation Measuring Roundness using Calliper Gauging Techniques - Tri Lobed Part As Part Rotates Calliper Distance Remains Constant

  15. Workbench Methods Measurement Methods & Instrumentation Measuring Roundness using Point Probe Method (CMM) Plug Gauge Centre Established by Point Probe Centre Established by Point Probe

  16. Workbench Methods Measurement Methods & Instrumentation Measuring Roundness using a Lathe and DTI • Dial Movement Includes; • 1. Concentricity of Component Axis to Lathe Spindle Axis • 2.Errors in Lathe Spindle • 3.Errors in Component

  17. Roundness Instrumentation Measurement Methods & Instrumentation Spindle Spindle (Rotating Datum Axis)

  18. Roundness Instrumentation Measurement Methods & Instrumentation Spindle - Centring and Levelling Table Y B X A Automatic Centring and Levelling Table Manual Centring and Levelling Table

  19. Roundness Instrumentation Measurement Methods & Instrumentation C and L Table - Alignment of Component & Spindle Axes Component Axis Spindle Axis Spindle

  20. Roundness Instrumentation Measurement Methods & Instrumentation Gauge Instrument Gauge

  21. Roundness Instrumentation Measurement Methods & Instrumentation Force Control Adjustable Stylus Retainer Instrument Gauge

  22. Roundness Instrumentation Measurement Methods & Instrumentation Stylus Instrument Stylus

  23. Roundness Instrumentation Measurement Methods & Instrumentation Instrument Stylus PivotPoint X Effective Length Stylus Tip

  24. Roundness Instrumentation Measurement Methods & Instrumentation Instrument Stylus 100mm ± 1mm Range 200mm ± 2mm Range

  25. Roundness Instrumentation Measurement Methods & Instrumentation Ruby and Sapphire Styli Repeat Measurement 1st Measurement Effects of Ruby and Sapphire Styli Tips on Aluminium Components

  26. Roundness Instrumentation Measurement Methods & Instrumentation Effects of Tool Marks on a Roundness Measurement Measurement Using a Ball Tip Stylus

  27. Roundness Instrumentation Measurement Methods & Instrumentation Effects of Tool Marks on a Roundness Measurement Measurement Using a Hatchet Stylus

  28. Roundness Instrumentation Measurement Methods & Instrumentation Hatchet Styli Tip Dimensions Effective Stylus Tip Radius Hatchet Radius

  29. Roundness Instrumentation Measurement Methods & Instrumentation Stylus Tip - Mechanical Filtering 90° 180° 0° 270° Displayed Result Component Profile

  30. Roundness Instrumentation Measurement Methods & Instrumentation Data Processing

  31. Roundness Instrumentation Measurement Methods & Instrumentation Data Points Measured Data Points

  32. Roundness Instrumentation Measurement Methods & Instrumentation Data Points 90° 1 Data Point = Gauge Reading (µm) + Radial Arm Position (mm) + Angular Position (Deg) Data Point 180° 0° Component Centre 270°

  33. Roundness Instrumentation Measurement Methods & Instrumentation Data Points 90° Spindle Axis Component Axis Eccentricity with respect to Spindle (Datum) Axis 180° 0° Component Centre Component Centre 270°

  34. Roundness Instrument Types Measurement Methods & Instrumentation SPINDLE AND COLUMN Rotating Table

  35. Roundness Instrument Types Measurement Methods & Instrumentation Rotating Table Designed to Measure Small to Medium Size Components

  36. Roundness Instrument Types Measurement Methods & Instrumentation Rotating Spindle

  37. Roundness Instrument Types Measurement Methods & Instrumentation Rotating Spindle Designed to Measure Large Componets with an Offset Load

  38. Reference Circles

  39. Four Types of Reference Circle Reference Circles • Least Squares Circle (LS) • Minimum Zone (MZ) • Maximum Inscribed (MI) • Minimum Circumscribed (MC)

  40. Four Types of Reference Circle Reference Circles • Least Squares Circle (LS) Least Squares Circle Maximum Valley (RONv) Out of Roundness (RONt) = RONv + RONp Note: RONt = Maximum Peak (RONp)

  41. Four Types of Reference Circle Reference Circles • Minimum Zone (MZ) Circle Used for Radius Measurement R Out of Roundness (RONt) = R Note: RONt = Minimum Zone Circles

  42. Four Types of Reference Circle Reference Circles • Maximum Inscribed (MI) Maximum Inscribed Circle Out of Roundness (RONt) = R R Note: RONt =

  43. Four Types of Reference Circle Reference Circles • Minimum Circumscribed (MC) Out of Roundness (RONt) = R R Note: RONt = Minimum Circumscribed Circle

  44. Reference Circle Differences Reference Circles • Least Squares (LS) Maximum Valley (RONv) Maximum Peak (RONp) RONp + RONv = RONt

  45. Reference Circle Differences Reference Circles • Minimum Zone (MZ) RONt

  46. Reference Circle Differences Reference Circles • Maximum Inscribed (MI) RONt

  47. Reference Circle Differences Reference Circles • Minimum Circumscribed (MC) RONt

  48. Reference Circle Differences Reference Circles LS Circle MZ Circle MI Circle MC Circle

  49. Reference Circle Differences Reference Circles Error From the MC Circle MC Circle Error From the MI Circle MI Circle

  50. Reference Circle Differences Reference Circles MI Circle Error From the MI Circle MC Circle Error From the MC Circle