REVERSE ENGINEERING A HUB

PATRICK BUTLER

ZACH RILETT

WHAT’S THE PLAN, STAN?

1. Measurements

2. CMM

3. 3D model

4. Report

5. PRESENTATION

TOOLS Digital caliper

Height Gage (Dial)

Radius Gage

Go-No-Go Gage

CMM

MEASUREMENTS 250 Measurements

A-AO

Hole Locations

Data Tables

Dimension Measure 1 Measure 2 Measure 3 Measure 4 Measure 5 Average

A 1.0030 1.0065 1.0095 1.0075 1.0070 1.0067

BX

XX

XX

X

CX

XX

XX

X

D 1.3650 1.3670 1.3610 1.3660 1.3655 1.3649

E 1.3250 1.3575 1.3580 1.3550 1.3560 1.3557

F 1.2515 1.2575 1.2600 1.2575 1.2580 1.2569

G 1.3510 1.3515 1.3545 1.3570 1.3575 1.3543

H 1.2730 1.2715 1.2695 1.2685 1.2760 1.2717

I 0.1905 0.1805 0.1905 0.1920 0.1900 0.1887

J 1.3795 1.3750 1.3755 1.3735 1.3805 1.3768

K 1.6995 1.7015 1.7085 1.7100 1.6820 1.7003

L 1.0065 1.0065 0.9910 1.0085 0.9915 1.0008

M 0.4675 0.4660 0.4685 0.4555 0.4585 0.4632

N 0.1910 0.2070 0.1995 0.2050 0.2020 0.2009

O 1.4760 1.5755 1.4670 1.4725 1.4725 1.4927

P 2.3800 2.3788 2.3770 2.3770 2.3770 2.3780

Q 2.1145 2.1140 2.1195 2.1175 2.1185 2.1168

R 0.1300 0.1285 0.1280 0.1290 0.1290 0.1289

S 0.2600 0.2715 0.2735 0.2685 0.2705 0.2688

T 0.0890 0.0930 0.0900 0.0910 0.0880 0.0902

U (above) 0.2430 0.2450 0.2500 0.2385 0.2420 0.2437

U (below) 0.2590 0.2640 0.2610 0.2615 0.2585 0.2608

V 1.4770 1.4805 1.4805 1.4770 1.4770 1.4784

W 1.0105 1.0130 1.0130 1.0120 1.0115 1.0120

X 2.4425 2.4385 2.4320 2.4300 2.4285 2.4343

Y 2.7250 2.7245 2.7345 2.7320 2.7320 2.7296

Z 3.7335 3.7320 3.7310 3.7320 3.7335 3.7324

AA XX

XX

XX

AB XX

XX

XX

AC 1.5860 1.5880 1.5860 1.5830 1.5885 1.5863

AD 1.5465 1.5690 1.5625 1.5475 1.5400 1.5531

AE 0.2220 0.2240 0.2255 0.2245 0.2235 0.2239

AF 2.6790 2.6775 2.6755 2.6750 2.6720 2.6758

AG 0.0330 0.0335 0.0325 0.0310 0.0315 0.0323

AH 1.5410 1.5405 1.5410 1.5390 1.5440 1.5411

AI 2.7285 2.7295 2.7380 2.7500 2.7380 2.7338

AJ 1.6645 1.6715 1.6660 1.6675 1.6635 1.6666

AK 0.1405 0.1490 0.1330 0.1350 0.1330 0.1381

AL 1.8835 1.8799 1.8975 1.8880 1.8825 1.8880

AM 2.0725 2.0650 2.0715 2.0565 2.0740 2.0679

AN 3.9950 4.0010 3.9970 4.0000 4.0020 3.9990

AO 0.3125 0.3125 0.3125 0.3125 0.3125 0.3125

Hub #1 Dimensions (in)Dimension Average CMM Difference

A 1.0067 1.0116 0.0049B

X 0.2890 XC

X 0.8456 XD 1.3649 X

XE 1.3557 1.3675 0.0118F 1.2569 1.2630 0.0061

G 1.3543 1.3610 0.0067H 1.2717 1.2759 0.0042I 0.1887 X

XJ 1.3768 1.3816 0.0048

K 1.7003 1.7113 0.0110L 1.0008 X

XM 0.4632 X

XN 0.2009 0.1964 0.0045O 1.4927 X

XP 2.3780 2.3792 0.0012

Q 2.1168 2.1047 0.0121R 0.1289 X

XS 0.2688 X

XT 0.0902 X

XU (above) 0.2437 0.2503 0.0066U (below) 0.2608 0.2659 0.0051

V 1.4784 1.4805 0.0021W 1.0120 1.0139 0.0019X 2.4343 2.4410 0.0067Y 2.7296 2.7218 0.0078Z 3.7324 3.7328 0.0004

AAX 0.9333 X

ABX

XX

AC 1.5863 1.5850 0.0013AD 1.5531 1.5685 0.0154AE 0.2239 0.2175 0.0064AF 2.6758 2.6780 0.0022

AG 0.0323 XX

AH 1.5411 XX

AI 2.7338 xX

AJ 1.6666 1.6624 0.0042AK 0.1381 X

XAL 1.8880 X

XAM 2.0679 X

XAN 3.9990 4.0027 0.0037AO 0.3125 0.3125 0.0000AP

X 1.3716 X

CMM Verified Measurements (in)

Dimension Measure 1 Measure 2 Average Measure 3

1 0.3720 0.3705 0.3713 X

2 0.3550 0.3530 0.3540 0.3760

3 0.3130 0.3015 0.3073 0.3705

4 0.3715 0.3610 0.3663 0.3905

5 0.2755 0.2740 0.2748 0.2945

6 0.3165 0.3200 0.3183 0.3340

7 0.4500 0.4650 0.4575 0.4675

8 0.3630 0.3615 0.3623 X

9 0.3190 0.3200 0.3195 0.3240

10 0.3845 0.3840 0.3843 0.4040

11 0.3605 0.3585 0.3595 X

12 0.3535 0.3575 0.3555 0.3740

13 0.3935 0.3940 0.3938 0.4170

14 0.3720 0.3715 0.3715 X

15 0.3510 0.3475 0.3493 0.3675

16 0.3075 0.3090 0.3083 0.3145

Dimensions for Location of Screw Holes (in)

DIMENSION LOCATIONS A-AO

CMM PCS

27 validated

Method

3D MODEL SolidWorks

Method

ENGINEERING DRAWING

SolidWorks

Views

GD&T

WHAT WE’VE LEARNED GD&T

Teamwork

Real-life Scenario

IMAGES

http://jefflynchdev.files.wordpress.com/2010/02/cmm_closeup_01_large.jpg

http://imavl.com/Portals/0/images/new_images/3-Services/Engineering%20Systems%20Design/engineering_rulerandpencil.jpg