PPAP documentation Archives | ¿Û¿Û´«Ã½ The design Experts Tue, 13 Feb 2024 08:24:02 +0000 en-US hourly 1 Stages in a Robust APQP Process /blog/stages-in-a-robust-apqp-process/ Thu, 09 Sep 2021 09:38:22 +0000 https://enventure.com/?p=19008 The APQP process consists of five stages: The flow of stages involved in the APQP are such that the output of one stage acts as

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  • Planning
  • Product Design and Development
  • Process Design and Development
  • Product and Process Validation
  • Feedback and Continuous Improvement

Stage 1: Planning

In this stage supplier understanding the customer requirements and expectations. APQP Stage 1 - Planning
Input
Output
Voice of Customer
  • Market research
  • Historical warranty and quality information
  • Team experience
 Design goals
Business plan/marketing strategy Reliability and quality goals
Product/process benchmark data Preliminary Bills of Materials
Product reliability studies Preliminary listing of special products and process characteristics
Customer inputs Product assurance plan
Management support

Stage 2: Product Design and Development

Stage 2 verifies design feasibility and compliance. APQP Stage 2 - Product Design and Development
Inputs (from Stage 1 outputs)
Output
Design goals Design failure mode and effects analysis (DFMEA)
Reliability and quality goals Design for manufacturability and assembly
Preliminary bill of materials Design verification
Preliminary process flow chart Design reviews
Preliminary listing of special products and process characteristics Design reviews
Product assurance plan Engineering drawings (including math drawing)
Management support Material specifications
Drawing and specification changes

Stage 3: Process Design and Development

Stage 3 verifies the manufacturing capability and measurement methods. APQP Stage 3 - Process Design
Inputs (from Phase 2 outputs)
Outputs
Design failure mode and effects analysis (DFMEA) Packaging standards and specifications
Design for manufacturability and assembly Product/process quality system review
Design verification Process flow chart
Design reviews Floor plan layout
Prototype build – control plan Characteristics matrix
Engineering drawings (including math drawing) Process failure mode and effects analysis (PFMEA)
Material specifications Process instructions
Drawing and specification changes Measurement systems analysis plan
Preliminary process capability study plan
Management support (including operator staffing and training plan)

Stage 4: Product and Process Validation

Stage 4 validates the complete manufacturing process and final product. APQP Stage 4 - Product and Process Validation
Inputs (from Phase 3 outputs)
Outputs
Packaging standards and specifications Significant production run
Product/process quality system review Measurement systems evaluation
Process flow chart Preliminary process capability study
Floor plan layout Production part approval
Characteristics matrix Production validation testing
Process failure mode and effects analysis (PFMEA) Packaging evaluation
Process instructions Product control plan
Measurement systems analysis plan Quality planning sign-off and management support
Preliminary process capability study plan
Management support (including operator staffing and training plan)

Stage 5: Feedback and Continuous Improvement

Stage 5 closes the feedback loop. APQP Stage 5 - Feedback and Continuous Improvement
Inputs (from Phase 4 outputs)
Outputs
Significant production run Reduced variation
Measurement systems evaluation Improved customer satisfaction
Preliminary process capability study Improved delivery and service
Production part approval Effective use of lessons learned
Production validation testing
Packaging evaluation
Control plan
Part submission warrant
Quality planning sign-off and management support
Learn more from our experts how to enhance your PPAP and APQP processes to derive the best results, today.
Talk to a PPAP Specialist today!

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]]> Major Challenges in the PPAP Approval Process /blog/major-challenges-in-the-ppap-approval-process/ Tue, 29 Jun 2021 14:17:22 +0000 https://enventure.com/?p=17144 Every organization has to face a lot of challenges in PPAP approval process to fulfill requirements of the entire supply chain. A proper mechanism to

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Product and process critical characteristics
Every organization has to face a lot of challenges in to fulfill requirements of the entire supply chain. A proper mechanism to handle the PPAP is the key to overcome such setbacks.

Here are some of the challenges in the PPAP approval process

  • Lack of knowledge in preparing the PPAP documentation leads to incomplete DFMEA. Sometimes the Part design are without complete details & convoluted which would result in the manufacturing of defective products.
  • The inadequate samples to study the capability would lead to uncertainty. Failure to conduct the Statistical Process Control study may result in defective/NG parts reaching the customer.
  • Cost is one of the most important challenges any organization faces to acquire right manufacturing equipment to meet stringent product specifications. Inadequate infrastructure to launch modified product may not help meet the Customer Specific Requirements (CSR).
  • Generally, cost associated with PPAP documentation will not be in contractual agreement, this is an additional cost, which an organization has to bear.
  • Failure to produce required level of PPAP
  • Resubmission of PPAP after the engineering change is difficult. Sometimes, PPAP is not prepared for the changes made in the 4M, due to which engineering changes are not communicated to the downline departments.
  • Inability to capture all details in the Process Flow of a product development process. Special characteristic (Product and process critical characteristics) might not be identified as required. This leads to failure of Fit, Function and Safety.
  • Control on special characteristics is challenging and so does the obtaining process capable index.
  • DFMEA/PFMEA/Control Plan preparation may not involve the Cross Functional Team (CFT) members.
  • Delay in PPAP submission: Failure to produce PPAP in-time: The product is in urgent need and marked so but the supplier fails to test and prepare the PPAP documents in-time would result in product disruptions. There are many reasons for delayed submission of PPAP such as:
    • Lack of awareness on PPAP process.
    • Customer specific requirements not apprehended fully by the organization.
    • Supplier is unaware of end user or testing requirements. Hence, even after the PPAP approval, product might get rejected.
    • Capturing the ECN changes not in line with the all documents.
Sometimes, PPAP is considered as mere documentation, which is prepared after the product is manufactured. The can only be realized when it is used as a tool to develop the product and its manufacturing process. Talk to our Specialist to understand ways to overcome few or all of these challenges you might have in your organization.
Talk to our PPAP Specialists today!

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