Validating cable test jig. VALIDATING CABLE TEST JIG.



Validating cable test jig

Validating cable test jig

Product designer and lover of hardware. Validation The validation phase is the most commonly standardized phase of product development. Validation is a progressively rigorous process to join the design and engineering development and ensure the product can be consistently manufactured at scale. You may remember the design and engineering phases each concluded with a prototype: Merging these two prototypes can be challenging and often requires sacrifices on both sides. The engineering prototype process should conclude with: The EP represents the single largest step function in the product development process.

You can see the final 4 iterations of the DipJar LED board which were an effort to reduce cost while maintaining reliability. One of the most significant parts of the EP is refining the design of plastic and metal parts for high volume production, commonly known as DFM design for manufacture. One of the trickiest parts of the DipJar design was getting the LED matrix to display clearly as pointed out by the works-like prototype that had significant light bleed. This was solved with a special molding technique and an LED mask red arrow.

Screw bosses are also optimized for both molding and assembly blue arrow. This includes heat staking PCBs down red arrow , headers and cable assemblies for board connections yellow arrow , and tweaking the design so hands and tools can access each component blue arrow.

This is further optimized during the EVT build. When everything is buttoned-up, we have a final EP. The picture on the left was a super exciting moment for the DipJar team: EVT is often the first time the board house brings up PCBs in a production setting although usually with pre-production or test firmware.

EVT units are built using production assembly procedures laid out in the EP stage. This includes building sub-assemblies of the product and then joining them.

You can see 25 or so DipJar bases with speakers hot-staked, cellular antennas, and weights installed. Once the sub-assemblies are completed and joined together, we see the first EVT production units being powered up for the first time. These EVT units are then put through the paces with a series of functional tests.

If major design flaws are uncovered, another EVT build is performed. Design Validation Test The design validation test or DVT is the first time the production process is the primary focus.

Typically 50— units Final validation test before making sellable units Optimizing for yield percentage of products off the assembly line that work and time number of units made per day DVT units go through a large battery of tests Because there are so many units being built, the DVT build focuses a lot on tools and techniques for getting units running consistently. Notice that the assembly steps are the same as the EVT build but significantly larger quantity.

DVT units are then put through an extensive battery of tests. Some companies prefer to do drop tests at a mechanical testing laboratory, the DipJar team opted for a slightly less formal drop test on the right. DVT units are typically used for regulatory testing. If your product has cosmetic features like in-mold decoration, pad printing, plastic colors, or screen printing DVT units are often the first units that are made using production cosmetic processes.

DipJar has pad printed logos on the front and top face plates. DipJar also offers custom colors and printing for high-volume customers. PVT units are focused only on production and never yield changes to the product unless something goes horribly wrong.

Common procedures for the PVT run: Depending on the capabilities of your contract manufacturer, you sometimes need to design and build your own jigs and fixtures.

The PVT build is the final chance to tweak tools and processes. The tool on the left allows heat staking of the DipJar card reader head. The QR code on the right red arrow is a system to ensure serial numbers of various components are linked to the correct DipJar unit and box.

Above we see a bunch of production units booting up for the first time, connecting to the network, and re-flashing themselves with production firmware. By far, the most exciting part of the PVT phase is watching customers use the first units. Above, Ryder and Jordan eagerly watch as their first production tip is processed. Common parameters of first MP: Seeing thousands of assembled units for the first time can be exceptionally gratifying. The DipJar team built some custom shelves to maximize space utilization.

Final gift boxes left and master cartons right getting filled and shipped to customers. Then the real work starts marketing and distribution. Luckily this comes with a silver lining: The second production run is closer than you think. Huge thanks to the DipJar team especially Ryder and Jon for allowing me to publish their product development process in excruciating detail. Recommend that your favorite coffee shop get a DipJar at www.

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Part 6 Validating the Response Content



Validating cable test jig

Product designer and lover of hardware. Validation The validation phase is the most commonly standardized phase of product development. Validation is a progressively rigorous process to join the design and engineering development and ensure the product can be consistently manufactured at scale. You may remember the design and engineering phases each concluded with a prototype: Merging these two prototypes can be challenging and often requires sacrifices on both sides.

The engineering prototype process should conclude with: The EP represents the single largest step function in the product development process. You can see the final 4 iterations of the DipJar LED board which were an effort to reduce cost while maintaining reliability. One of the most significant parts of the EP is refining the design of plastic and metal parts for high volume production, commonly known as DFM design for manufacture.

One of the trickiest parts of the DipJar design was getting the LED matrix to display clearly as pointed out by the works-like prototype that had significant light bleed. This was solved with a special molding technique and an LED mask red arrow.

Screw bosses are also optimized for both molding and assembly blue arrow. This includes heat staking PCBs down red arrow , headers and cable assemblies for board connections yellow arrow , and tweaking the design so hands and tools can access each component blue arrow. This is further optimized during the EVT build. When everything is buttoned-up, we have a final EP.

The picture on the left was a super exciting moment for the DipJar team: EVT is often the first time the board house brings up PCBs in a production setting although usually with pre-production or test firmware. EVT units are built using production assembly procedures laid out in the EP stage.

This includes building sub-assemblies of the product and then joining them. You can see 25 or so DipJar bases with speakers hot-staked, cellular antennas, and weights installed. Once the sub-assemblies are completed and joined together, we see the first EVT production units being powered up for the first time. These EVT units are then put through the paces with a series of functional tests. If major design flaws are uncovered, another EVT build is performed.

Design Validation Test The design validation test or DVT is the first time the production process is the primary focus. Typically 50— units Final validation test before making sellable units Optimizing for yield percentage of products off the assembly line that work and time number of units made per day DVT units go through a large battery of tests Because there are so many units being built, the DVT build focuses a lot on tools and techniques for getting units running consistently.

Notice that the assembly steps are the same as the EVT build but significantly larger quantity. DVT units are then put through an extensive battery of tests. Some companies prefer to do drop tests at a mechanical testing laboratory, the DipJar team opted for a slightly less formal drop test on the right.

DVT units are typically used for regulatory testing. If your product has cosmetic features like in-mold decoration, pad printing, plastic colors, or screen printing DVT units are often the first units that are made using production cosmetic processes. DipJar has pad printed logos on the front and top face plates. DipJar also offers custom colors and printing for high-volume customers. PVT units are focused only on production and never yield changes to the product unless something goes horribly wrong.

Common procedures for the PVT run: Depending on the capabilities of your contract manufacturer, you sometimes need to design and build your own jigs and fixtures. The PVT build is the final chance to tweak tools and processes. The tool on the left allows heat staking of the DipJar card reader head. The QR code on the right red arrow is a system to ensure serial numbers of various components are linked to the correct DipJar unit and box. Above we see a bunch of production units booting up for the first time, connecting to the network, and re-flashing themselves with production firmware.

By far, the most exciting part of the PVT phase is watching customers use the first units. Above, Ryder and Jordan eagerly watch as their first production tip is processed. Common parameters of first MP: Seeing thousands of assembled units for the first time can be exceptionally gratifying. The DipJar team built some custom shelves to maximize space utilization. Final gift boxes left and master cartons right getting filled and shipped to customers.

Then the real work starts marketing and distribution. Luckily this comes with a silver lining: The second production run is closer than you think.

Huge thanks to the DipJar team especially Ryder and Jon for allowing me to publish their product development process in excruciating detail. Recommend that your favorite coffee shop get a DipJar at www.

Validating cable test jig

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3 Comments

  1. The cranial T12 vertebrae was potted in a polymer casting agent Smooth Cast , Smooth-On, Easton, PA and the sacrum was potted in the polymer casting agent up to just below S1 to facilitate rigid fi xation to the test frame during biomechanical testing. We hypothesized that interbody support would provide greater load share with the posterior rods, thereby increasing the fatigue life of the construct. Common procedures for the PVT run:

  2. Brown Corpus list Excel - Compleat Lexical Speci fi cally, as with all biomechanical studies, the sample size was relatively low and the posterior rods 5.

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