Chrysler Group LLC Document Number: PS-12078 Process Standard Date Published: 2010-07-13 Category Code: R-4 Change Level: - EASL Requirement: No
Restricted: No
bathSTANDARD TOLERANCES – BODY AND EXTERIOR COMPONENTS AND ASSEMBLIES
1.0 GENERAL
1.1 Purpo
This standard documents generic tolerances for body-in-white, closures, and exterior systems components and asmblies.
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1.2 Coverage of this Standard
This standard is intended for stamped body-in-white and closures components and asmblies and exterior systems components and asmblies.
1.3 Limitations on Usage
Components that are created from casting, forging, or machining process are not covered by this standard.
2.0 TOLERANCE CHARTS – COMPONENT PARTS
Class ‘A’ Gap Feature
PRESSED METAL
HOT STAMP SMC
THERMOPLASTIC
NA
Class ‘A’ Flush Feature
NA
modifyMating Flange or Surface
Non-Mating Surfaces
1.0
1.0
1.03.0
1.0
karry
1.0
1.03.0
3.0
4.02.0 3.0
NA
NA
HOT STAMP
THERMOPLASTIC
PRESSED METAL SMC
Hem
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典范Class A, CA Class A, CA
Class A, CA
Two Way Slot, Non Controlling Two Way Slot,
Non Controlling
Two Way Slot,
daring什么意思
Non Controlling
FIGURE 1: COMPONENT PARTS TOLERANCE CHART
3.0 TOLERANCE CHART – ASSEMBLY FEATURES
FIGURE 2: ASSEMBLY FEATURE TOLERANCE CHART
4.0 HOLE STANDARDS
smecPreferred nominal sizes and size tolerances are dictated by tolerance class. For each hole, tolerance class must be documented in the component part 2D GD&T drawing.
Class R – Gage Holes (pages 5-6)
ntalkerClass A – Attachment Holes (pages 7-8)
Class B – Clearance Holes (pages 7-8, 11-14) Class CR – “NAAMS” Gage Holes (pages 9-10)
Class CA – North American Attachment Holes (pages 11-14) (Class ASKF – Obsolete – Fiat B Platform Gage Holes)
HOT STAMP .4.4
33
THERMOPLASTIC
11
1.0
1.0
PRESSED METAL
SMC
4.1 CLASS R GAGE HOLES
Class R holes are ud for part location and may be round, slotted, or square.
FIGURE 3: CLASS R ROUND GAGE HOLES
HOLE DIMENSION
NOMINAL
FIGURE 4: CLASS R GAGE SLOTS HOLE DIMENSION
a
NOMINAL
10.3
12.3 (NOTE 1)
FIGURE 5: CLASS R SQUARE GAGE HOLES
Class CR flanging requirements are as follows:
Flanging required if sheet metal thickness is less than 1.5 mm.地道口语
FIGURE 6: CLASS CR FLANGING REQUIREMENTS
4.2 CLASS A AND CLASS B HOLES
Class A holes are for attachments, Class B holes are for clearance.
FIGURE 7: ATTACHMENT AND CLEARANCE ROUND HOLE REQUIRMENTS
