製品説明
Quick Details
| Shape: | Pinion | Place of Origin: | HangZhou, China | Model Number: | 1230 |
| Brand Name: | で |
Packaging & Delivery
| Packaging Details: | Neutral Packing or Customized Packing |
| Delivery Detail: | 25-30 days after the order confirmed |
製品説明
| 製品 | Rack and pinion plastic Steel gear rack motor Automatic gate gear rack Sliding door gear rack manufacturer |
| 応用 | Machine tools |
| Specifications / Features | Precision production machine Strictly quality control system Teeth and bevel spiral gear specifications are available OEM/ ODM orders welcome |
| Primary competitive advantages | カスタマイズされた Quality Approvals Country of Origin Green Product Reputation After-sales service Product Performance Small Orders Accepted Experienced Staff Prompt Delivery |
| Main Export Markets | Asia Australasia Central / South America Eastern Europe Mid East / Africa North America Western Europe |
私たちについて：
As your one-stop source, AT PRECAST,we design, manufacturer and distribute precast concrete accessories including the Lifting Systems and Anchoring systems Coil and Ferrule Inserts. for Concrete and Prefabricated area.
As a leader in developing concrete accessory products, our main goal is to produce products that are safer, faster and more cost efficient.
With more than totally 50 years working experience, our entire staff is dedicated to provide you with the best customer service and competitive prices. Our sales force are able to answer your questions quickly and offer you technical support .
保証：
100% quality manufacturing.
当社製品はお客様からご提供いただいた仕様を満たしていることを保証いたします。
非常に競争力のある価格設定
港または玄関先までお届けします
4～8週間のリードタイム
書類手続きはすべて弊社が行います
部分的なコンテナ注文
柔軟な支払いオプション
独自の工具オプション
バルク包装から小売包装まで、幅広い包装オプションをご用意しております。
包括的なテストサービスをご利用いただけます
よくある質問：
1. Where is your location?
We are located in HangZhou City of China and are closed to Airport. It takes 30minuts by car from Liuting Airport our company.
2. How long has the company been established?
AT INDUSTRY was established in 2009. There is 6 years exporting experiences.
3. How many employees do you have?
管理／営業 4
Engineering / design as our partner 8
Production as our partners 120
Quality assurance / inspection 10
4. Which countries do you export to?
U.S.A, Germany, France, Italy, UK, Brazil, Middle east of Asia, Thailand,
5. What proportion of your goods are exported?
100% of our production are exported to all over the world.
6. How long does it take to receive samples?
a) Pattern:30-45days after order
b) Sample:30days after pattern finishing.
c) The lead time is the general production period and does not include the transportation time.
7. New product development process
Got tooling order and sample order with 50% deposit—Hold a meeting with the relation dept. to ensure the developing schedule—Design pattern, fixture and gauge and making them in our house—mold steel buying—Machining—Inspection—Send out the sample with initial inspection report.
8. How long is the manufacturing lead time?
Mass Production: 90days after sample approval by yours.
The lead time is the general production period including the transportation time.
We could make some special production arrangement effectively if customer has urgent need.
9. What basis can we buy goods?
We generally offer customers prices FOB& CIF (Carriage, Insurance & Freight). The CIF includes the freight cost to your nominated sea port.
We do provide clearance of goods which needs to be handled by a local freight forwarder.
All local costs and taxes are the responsibility of the buyer. We are happy to offer advisement on shipping if required.
10. What are the payment terms?
Payment terms are negotiable and will improve for long term customers.
During the initial stages, we request 50% of tooling fee in advance with the balance payable on acceptance of samples.
Production orders can be negotiable. We prefer 50% deposit and the balance by T/T before sails. But sometimes T/T 30 days after sails would also acceptable.
11. Which currency can we buy in?
We can deal in USD / Euro currency / GBP.
12. How long does it take to ship goods from China by sea?
It takes about 5 weeks to European ports plus 1 week customs clearance, so you can get the container within 6 to 7 weeks. It takes about 2 weeks to east coast and 3 weeks to west coast US ports. All sea goods are shipped from HangZhou Port.
13. How long does it take to ship goods from China by air?
It takes about 7 days to all major destinations.
14. Can we visit the factory to conduct an audit?
Yes, you are welcome to visit our partner factory by prior agreement.
15. How do we retain client confidentiality?
We are happy to CHINAMFG Confidentiality Agreements with customers and will honor them.
16. Which languages do we do business in?
Although we do business with many countries around the world, we can only communicate effectively in Chinese English.
All information supplied should therefore be supplied in this form.
17. Is there a minimum volume of business required to conduct international purchasing?
There are no minimum volumes, but the prices of the goods, plus the fixed costs of importing makes it more economical to buy in high volumes. All potential customers will be assessed on an individual basis to determine if it appears a viable option for all parties to develop a relationship.
18. What type of parts you are specialized in?
Our business contains 2 areas,
one is for construction precast including lifting system, rigging hardware metal parts.
Another is customized metal business of quality sand castings, investment castings, lost foam castings, hot forgings, cold forgings, stampings, machined parts, injectionmolded plastics parts, etc.
19. Which kind of equipments do you have?
Forging friction press 160Ton, 300Ton, 630Ton, 1200Ton
Casting CHINAMFG of 200kg, 500kg,1000kgs, 2000kgs
Press of 63ton, 120tons
CNC Machining center
CNC Vertical Lathe
CNC Lathe center
Boring machine
Drilling machine
| 応用： | Machine |
|---|---|
| 硬度： | Hardened |
| Gear Position: | Internal Gear |
| Manufacturing Method: | Rolling Gear |
| Toothed Portion Shape: | Spur Gear |
| Material: | ステンレス鋼 |
| カスタマイズ: |
利用可能
| カスタマイズされたリクエスト |
|---|
ウォームギアは高トルク用途に適していますか？
ウォームギアは、高トルク用途に非常に適しています。ウォームギアが高トルク用途に適している理由を、以下に詳しく説明します。
ウォームギアは、大幅な減速とトルク増幅を実現できることで知られています。ウォームギアは、ねじ山のある円筒形のギア（ウォーム）と、歯付きのホイール（ウォームホイールまたはウォームギア）で構成されています。ウォームとウォームホイールの相互作用により、運動とトルクが伝達されます。
ウォームギアが高トルク用途に適している理由は以下のとおりです。
- 高い減速比： ウォームギアは、一般的に20:1から300:1、あるいはそれ以上の高い減速比を実現します。この大きな減速比により、回転速度を大幅に低下させながらトルク出力を増幅することが可能です。そのため、ウォームギアは高トルクを必要とする用途において効果的なツールとなります。
- セルフロック機能： ウォームギアは独自のセルフロック特性を備えているため、追加のブレーキ機構を必要とせずに位置を保持し、逆回転を防ぐことができます。ウォームねじの角度によって機械的利点が生まれ、ウォームホイールの逆回転を抑制し、優れたセルフロック特性を発揮します。このセルフロック機能により、ウォームギアは、昇降装置など、負荷を所定の位置に保持することが重要な用途に最適です。
- 頑丈で堅牢な設計： ウォームギアは通常、鋼鉄や青銅などの耐久性の高い素材で製造されており、高い強度と耐摩耗性を備えています。この堅牢な設計により、性能や寿命を損なうことなく、重荷重や大きなトルクを伝達することが可能です。
- 高い衝撃荷重耐性： ウォームギアは、通常の運転条件を超える突発的または断続的な衝撃荷重に対して優れた耐性を示します。ウォームとウォームホイールの歯との間の滑り接触により、ある程度の衝撃吸収が可能となるため、ウォームギアは、頻繁または予期せぬ高トルク衝撃が発生する用途に適しています。
- コンパクトで省スペース： ウォームギアはコンパクトな設計のため、省スペース性に優れ、サイズに制約のある用途に適しています。ウォームギアのコンパクトさにより、スペースに制約がある場合でも、機械や装置への組み込みが容易になります。
ウォームギアは高トルク用途に優れている一方で、高速用途には適さない場合があることに留意することが重要です。ウォームとウォームホイール間の摺動接触によって摩擦が生じ、高速回転時には発熱や効率低下につながる可能性があります。そのため、ウォームギアは一般的に、高トルク出力が求められる低速から中速の用途で好まれます。
高トルク用途向けのウォームギアを選定する際には、具体的なトルク要件、運転条件、および速度、効率、位置安定性などのその他の要素を考慮することが重要です。また、高トルク用途において最適な性能と長寿命を確保するためには、適切なサイズ選定、潤滑、およびメンテナンスも不可欠です。
Can worm gears be used in automotive applications?
Yes, worm gears can be used in certain automotive applications. Here’s a detailed explanation of their use in the automotive industry:
1. ステアリングシステム： Worm gears are commonly used in automotive steering systems, particularly in older vehicles. They can provide the necessary torque and precision for steering control. The self-locking feature of worm gears is advantageous in steering applications as it helps maintain the desired steering position even when external forces are applied. However, it’s important to note that many modern vehicles have transitioned to other steering mechanisms such as rack and pinion for improved efficiency and performance.
2. Window Regulators: Worm gears can be found in power window regulator systems in some vehicles. They help convert rotational motion into linear motion, allowing for the smooth and controlled movement of windows. Worm gears in window regulators are often paired with a mechanical linkage system to distribute the motion to multiple windows.
3. Convertible Top Mechanisms: In convertible vehicles, worm gears can be utilized in the mechanisms that raise and lower the convertible top. The high torque capabilities of worm gears make them suitable for these applications, as they can effectively handle the load of the top and ensure smooth and reliable operation.
4. Accessory Drives: Worm gears can be employed in accessory drives within the automotive engine compartment. They can be used to transfer power from the engine to various accessories such as water pumps, fuel pumps, and air compressors. However, it’s important to note that other power transmission mechanisms such as belts and pulleys or gear drives are more commonly used in modern automotive accessory drive systems due to their higher efficiency and compact design.
5. Limited-Slip Differentials: Worm gears can be incorporated into limited-slip differentials in some automotive applications. Limited-slip differentials distribute torque between the wheels to improve traction and stability. Worm gears can provide the necessary torque multiplication and torque biasing capabilities required for limited-slip differentials.
While worm gears can be found in these automotive applications, it’s important to consider that other power transmission mechanisms such as spur gears, bevel gears, and belt drives are more commonly used in modern automotive designs. These alternatives often offer higher efficiency, compactness, and better performance characteristics for automotive applications. Additionally, advancements in technology and the pursuit of lightweight and efficient designs have led to the adoption of alternative power transmission systems in many automotive applications.
Overall, while worm gears have a place in certain automotive applications, their use is more limited compared to other power transmission mechanisms commonly employed in the automotive industry.
Understanding Worm Gears and Their Operation
A worm gear is a type of mechanical gear that consists of a threaded screw-like component (called the worm) and a toothed wheel (called the worm gear). It is used to transmit motion between non-intersecting and perpendicular shafts. Here’s how it works:
The worm, typically in the form of a cylindrical rod with a helical thread, meshes with the teeth of the worm gear. When the worm is rotated, its threads engage with the teeth of the worm gear, causing the gear to rotate. The direction of rotation of the worm gear is perpendicular to the axis of the worm.
One significant feature of worm gears is their ability to provide high gear reduction ratios. The number of teeth on the worm gear relative to the number of threads on the worm determines the reduction ratio. This makes worm gears suitable for applications where high torque and low-speed rotation are required.
Worm gears are commonly used in various mechanical systems, such as conveyor systems, lifts, automotive steering mechanisms, and more. Their unique design also provides a self-locking feature: when the system is not actively rotating the worm, the gear cannot easily backdrive the worm due to the angle of the threads, providing mechanical advantage and preventing reverse motion.
editor by CX 2023-09-14
