According to Tesla's internal staff, 90% of Tesla vehicles need to be repaired before leaving the factory. Some people say that the production speed affects the quality. It is no wonder that Tesla's output has not been delivered in recent years because of the problem car. Through a quality inspector, there are often dozens of problems that actually appear after inspection.

Tesla employees broke the news that more than 90% of the Tesla Model S and Model X models need to be reworked before leaving the factory.

On November 29, the reporter quoted 9 Tesla employees and former employees as saying that after the Tesla automobile was assembled on the assembly line, problems were generally found in the quality inspection process, and it was necessary to rework and repair before it was officially shipped. Some employees said that Tesla's internal tracking system data in October 2017 showed that the proportion of problem cars exceeded 90%. More employees said that this situation requiring rework has existed since 2012. All employees are required to be anonymous.

In this regard, the local time on November 29th reported that the production speed of Tesla affected the quality.

Production speed affects quality, Tesla's factory return rate is 90%

Tesla Model S electric car in an exhibition hall in Seoul, South Korea on July 6, 2017

In the above report, Tesla responded that his quality control process was exceptionally strict and focused on identifying and correcting the smallest defects. Most of the repairs are due to minor problems and can be resolved in a matter of minutes.

However, Tesla refused to provide reporters with a rate of repairs, and was reluctant to comment on the exposure of employees.

According to reports, the world's most efficient car manufacturers, such as Toyota, Japan, the average repair rate of cars is less than 10%. According to industry experts, ensuring quality during the initial assembly of the car is critical because it is a waste of time and money.

A former Tesla general manager told reporters that Tesla had "reworked too much after the car was assembled, and they spent a lot of money on rework."

In the reporter's report, the Tesla employees interviewed detailed the problems they experienced. Model S and Model X employees said that even if the car had problems during the assembly process, the assembly line was under pressure. Employees said that a group of vehicles shipped from the assembly line may lack parts, one lacking windshield and the other lacking bumpers. But then I will go back to repair anyway.

Quality inspectors will find more problems than workers in the internal tracking system. A quality inspector told reporters, “There are two problems reported on the system. This is good, but in fact there are often 15 to 20 questions.”

There is also a long and difficult area that is aligned. A senior manager said that the body part must be "powerful" to achieve flatness. However, not every group follows the same standard, and the size of the car gap will be inconsistent.

The high rate of repairs may be a reason why Tesla's production is difficult to speed up.

Earlier on November 10, the reporter reported that Sacconaghi, an analyst at research institute Bernstein, gave a test of the "fit and finish" of the car after testing the Model 3 of Tesla in early November. RelaTIvely Poor's evaluation and remind investors that Model 3 may not be able to achieve profit margins.

In addition, after Tesla's three-quarter report, which was far below analysts' expectations, Tesla CEO Elon Musk explained why the Model 3 model was under-produced. According to reports, the first problem is the assembly of battery modules; secondly, a system integrator (system integraTIon) subcontractor does not force, so Tesla had to completely rewrite the software system.

And Tesla's troubled autumn also included the core management team, and Tesla's battery engineering director Jon Wagner confirmed his departure on November 7. He is also the 17th executive of Tesla's confirmed resignation this year.

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