Question 1

Is BATOM Co., Ltd. quality management certified?

Accepted Answer

Yes, BATOM Co., Ltd. is an ISO 9001、AS 9100 and IATF 16949 certified company. Our management system is certified according ISO 9001:2015、AS 9100 (AS 9104/1) and IATF 16949:2016 . ISO 9001 is the internationally recognized standard for quality management systems. AS 9100 is is a widely adopted and standardized quality management system for the aerospace industry. It was released in October, 1999, by the Society of Automotive Engineers and the European Association of Aerospace Industries.

AS9100 replaces the earlier AS9000 and fully incorporates the entirety of the current version of ISO 9001, while adding requirements relating to quality and safety. Major aerospace manufacturers and suppliers worldwide require compliance and/or registration to AS9100 as a condition of doing business with them. IATF 16949 is a technical specification aimed at the development of a quality management system which provides for continual improvement, emphasizing defect prevention and the reduction of variation and waste in the automotive industry supply chain and assembly process. It is based on the ISO 9001 standard and the first edition was published in June 1999 as ISO/TS 16949:1999. IATF 16949:2016 replaced ISO/TS 16949 in October 2016.The standard was prepared by the International Automotive Task Force (IATF) and the "Technical Committee" of ISO. It harmonises the country-specific regulations of quality management systems.About 30 percent of the more than 100 existing motorcar manufacturers follow the requirements of the norm but especially the large Asian manufacturers have differentiated and have their own requirements for the quality management systems of their corporate group and their suppliers.ISO/TS 16949 applies to the design/development, production and, when relevant, installation and servicing of automotive-related products.The requirements are intended to be applied throughout the supply chain. For the first time vehicle assembly plants will be encouraged to seek ISO/TS 16949. We deliver products that consistently meet customer requirements, satisfaction and offer a service that can be relied on.

Question 2

Is BATOM Co., Ltd. environment management certified?

Accepted Answer

Yes, BATOM Co., Ltd. is an ISO 14001 certified company.

The environment management system is certified according ISO 14001:2015. ISO 14001 is the internationally recognized standard for environment management systems. We takes into account sustainable development, environment protection and employee welfare by integrating ESG and RBA polices and factors. It is also a committed not only to quality, but also safety and efficiency.

Question 3

Which of these are 3 main components of the EV powertrain?

Accepted Answer

Power electronics controller
Electric traction motor
Transmission

Question 4

What are the 3 main types of EV gear sets?

Accepted Answer

Types of transmission system in electric vehicles

Single speed transmission using a cylindrical gear set.
Planetary gear system.
CVT system.

Question 5

Do EV cars have gears?

Accepted Answer

Yes, There are many different gears and shafts, The number of gears will vary according to the EV transmission.

1-speed EV transmission
2-speed EV transmission
3-speed EV transmission

Question 6

Which is the best material for automobile gear manufacturers?

Accepted Answer

Common gear materials
Gears can be made of all sorts of materials, including many types of steel, brass, bronze, cast iron, ductile iron, aluminum, powdered metals, and plastics. Nickel chromium molybdenum steels is the most common material overall, although over the years, we’ve worked with all of the material types mentioned. Nickel chromium molybdenum steels is often most desirable because it offers a winning combination of high strength-to-weight ratio, high resistance to wear, the ability to enhance the physical properties through heat treatment, and competitive pricing.
Factors of material selection
In our experience, at a simplified level, there are four factors that are most important when selecting a gear material. They are chemical properties, physical property, mechanical properties, and cost, which includes both the cost of the material and the cost of manufacturing. While the importance of these factors may vary from one project to another, the key to material selection is finding the right combination of physical properties that satisfy the requirements of the project at the lowest cost.

Question 7

What are the basic factors affect the gear NVH?

Accepted Answer

High-Precision Gears will reduce transmission error.

Gear Grinding and Power Honing can improve the surface structure.

Control gear twist with Bias Control and use ripple analysis to check for noise orders. Gear crowning can help reduce contact at the gear edges.

Question 8

What is different between module and diametral pitch (DP)?

Accepted Answer

Both represent the size of the gear tooth, the module is used in the metric system, the larger the number, the larger the gear tooth; DP is used in the imperial system, the higher the number, the smaller the gear tooth.

Represents the total size of a gear tooth
Measured in inches
1 diametral pitch = 25.400 module

Question 9

If there Is no Gear drawing, Can it be made according to the sample ?

Accepted Answer

Batom Co., Ltd. can customize the production according to drawings provided by customers. We can also help customers to give professional gear design suggestions in the early stage of product development.

For customers with specific needs or customers who need more precise gears we can further discuss customization.

For inquiries without workpiece drawings, Batom has the most modern measurement equipment and has many years of reverse engineering experience. We can produce parts based on the samples provided.

Question 10

What is the depth and thickness?

Accepted Answer

Tooth depth is determined from the size of the module or diametral pitch (DP).

Pitch = π*m
Tooth thickness = Pitch/2
Addendum = 1.00*m
Dedendum = 1.25*m

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