产品描述
Founded in 2008, ECHO Metal Crafts Co., Ltd. is a professional manufacturer of custom coins, medal,badge,keychain
metal crafts, with more than 13 years of rich experience
| Item | Sushi Toy Plastic Metal Enamel Printing Decoration Wholesale Price Customized Sushi Design China Professional Factory Hot Sale Keychain |
| 材料 | PVC |
| 颜色 | white/black/pink/brown |
| 尺寸 | Customized Size & 55*22mm |
| Logo | Custom |
| OEM/ODM | Yes |
| 支付 | 30% Deposit ,70% balance before shipping |
| package | 1pc/poly bag/plastic box/gift box, 100pcs/big bag.According to the requirements |
| Sample time | 7 days after confirming picture proof |
| Delivery time | Within 10~12days after sample approval(according to the quantity and design) |
| Shipping | FEDEX/DHL/UPS/EMS.etc |
| 用法 | Souvenir, collectible, gift, advertising, commerative gift, business gift, valentine gift, wedding gift, promotional gift, etc. |
Our Advantage
-BSCI certificated factory and authorized vendor to Disney
-13 years of OEM&ODM craft experience.
-Free Design,tell your idea, we will have design for you
-Direct factory price
-One more inspection by salesman personally after QC inspected
-In-time delivery
-Our team stand by more than 12 hours a day and your mail will be responded within an hour.
常问问题
1.Q:You are factory or trading company?
A:Yes,we are factory direct sales.Welcome to visit our factory, and we have 13 years of experience .
2.Q:What’s your minimum order?
A:Usually our MOQ is 1,00pcs. But we accept small quantity for your trial order.
Feel free to tell us how many pieces you need, we will calculate the cost correspondingly.
3.Q:Can I get samples?
A:We can provide free samples as long as you are willing to afford the delivery charge.
4.Q:How long is the Sample lead time?
A:5-7 days for samples with customized design after all approval.
5.Q:How long is the production lead time?
A:You may quote for the detailed turn around on different orders.
6.Q:What are the payment methods and 付款期限?
A:T/T, Western Union, PayPal,etc.
7.Q:Location?
A:We are a factory located in HangZhou China.
8.Q:What we do?
A:We make badges, coins, medals, keychains, lapel pins,bottle openers,dog tags,shopping token,tie clips,cuff link,belt buckle,etc.; as well as lanyards, silicone wristbands,fridge megnet,embroidery patch, PVC series,etc..
After-sale service:
1)Our goal is to make sure you are a happy customer and pleasant business with us.
2)If you are not satisfied with your purchase in any way, Please give us the opportunity to resolve any problem. We understand the concerns and frustrations you might have,and will try our best to resolve the issues.
Factory Price Custom Metal Cartoon Enamel Simons Cat Keychain
滚子链维护技巧
维护滚子链时需要注意很多事项。主要原因包括摩擦和外部因素。如果润滑和调整不当，此类链条会过早磨损。以下是一些保持滚子链最佳状态的技巧，请继续阅读！这将使您的维护工作更加轻松。我们还将讨论新滚子链的成本。一如既往，请记住定期检查链条是否有松动并进行调整。
预加载
滚子链的设计旨在承受多种不同类型的负载。链轮是造成链条磨损的主要原因。当链轮端面未正确对准时，就会出现轴向和角度不对中。这两种不对中都会增加滚子链的应力和磨损，并对传动系统产生不利影响。因此，选择合适的链条至关重要。
预紧力有助于消除初始伸长，延长使用寿命。预紧力的优势可以从预紧力图表中看出。在无预紧力或预紧力极小的情况下，驱动启动时会发生显著伸长。这是由于磨损部件的表面硬度较高所致。另一方面，预紧力适当的链条在初始启动时伸长量很小。因此，适当的预紧力可以延长使用寿命。
虽然链条伸长是任何传动装置中都会出现的自然现象，但通过适当的维护可以最大限度地减少或消除这种现象。除了定期检查外，您还应该在链条运行一百小时后进行一次全面检查。此次检查应重点关注关键的寿命因素，例如3%链条的伸长率、润滑情况以及任何其他可能影响链条寿命的问题。优质链条的使用寿命应该最长，并且不会出现任何问题。
There are many different roller chain specifications. A good rule of thumb is to choose chains with at least 5 links. Then, tighten the chain until a break occurs, and it will tell you what kind of break occurred. Alternatively, you can use a roller chain with the maximum allowable load. As long as the MAL doesn’t exceed that number, it’s still perfectly safe to use it for any application.
润滑
润滑方面，有多种不同的技术。例如，喷油润滑是高功率驱动装置和高负载高速运转机械常用的润滑方法。这种方法非常有效，但成本较高，而且喷油时如果喷得太远，可能会造成链条漏油。另一种常见的润滑方法是刷涂润滑。刷涂润滑是指将润滑油持续不断地涂抹到链条上，并将其推入链条内部。这种润滑技术可以降低链条的润滑温度，并且根据制造商的规格，还可以延长链条的使用寿命。
滚子链联轴器的润滑方式因应用而异，但链轮轮毂应每月润滑一次，以确保良好的密封性。用油量取决于转速和滚子链联轴器的类型。一般来说，滚子链联轴器中使用的润滑剂应具有优异的粘附性、抗氧化性和机械稳定性。
建议使用耐磨润滑剂。这类润滑剂可防止滚子相互粘连，并防止生锈。它们表面张力低，不会对金属链或O型环链造成损害。最佳润滑方法取决于环境温度、功率和链速。正确润滑滚子链可延长链条寿命并降低磨损风险。
对滚子链进行适当的润滑对于防止腐蚀和延长其使用寿命至关重要。润滑油在链条部件上形成一层光滑的油膜，减少金属间的直接接触，从而最大限度地降低摩擦和磨损。此外，润滑油还能提供光滑的运行表面并降低噪音。然而，滚子链润滑的磨合过程不容忽视。使用重负荷润滑油时，务必确保润滑油与工作温度和环境温度相匹配。
维持
为了延长滚子链的使用寿命，您需要定期进行检查。首先，您应该检查连接处链节板上的T形销。如果连接不正确，会导致链条拉伸，无法保持正确的间距和正时。其次，您应该检查是否有异常噪音、腐蚀和污垢，这些都可能表明链条已经磨损。如果您发现任何此类问题，就应该更换链条了。
In order to properly maintain a roller chain, both areas of the roller chain must be lubricated with the correct lubricant. Lubricants used should be SAE non-degreased oils. There are several types of lubricants available, but the best 1 is a petroleum-based oil with a high viscosity. You can also check for signs of wear, such as red or brown discoloration. This means that there is not enough lubrication.
虽然滚子链的预期寿命未知，但了解如何延长其使用寿命并最大限度地提高其效率至关重要。不正确的张紧度和对准会缩短其寿命，并对传动系统和链条本身造成不必要的压力。不正确的张紧度还会导致打滑和能量输出增加。因此，您应该在初始安装时计算链条的张紧度和对准度。定期检查和调整。
延长滚子寿命的另一种方法是彻底清洁滚子的内外表面。此外，还应经常润滑，以防止过热。滚子链的设计旨在通过限制磨合期的工作量来防止过热。定期检查有助于及早发现异常情况，从而及时停止运行。最后，定期润滑将延长滚子链的使用寿命。
成本
Buying a roller chain is a big decision, but initial cost shouldn’t be the only consideration. The cost of the roller chain itself, as well as the running costs, should be considered. Even the lowest-priced chains can be more expensive in the long run. Additionally, maintenance and energy costs may increase. The best roller chain for your business will be the 1 that best suits your needs. Listed below are some considerations to consider when purchasing a roller chain.
首先，应该使用什么材料？滚子链有很多不同的材料可供选择。不锈钢是结构中常用的材料。材料的选择取决于链条动力传动装置的成本和设计。不同的制造工艺会决定哪种材料适合您的应用。此外，链条的重量也会因其节距和制造工艺而异。滚子链成本的很大一部分在于驱动链轮。
另一个需要考虑的因素是安装成本。滚子链常用于农业和运输领域，尤其是在农产品运输方面。如果您担心润滑问题，免维护链条是最佳选择。耐腐蚀链条非常适合潮湿环境。它们通常按盒装出售，因此更换较长的链条需要添加较短的链条。为了避免连接不便，可以使用滑板辅助连接链节。
另一个需要考虑的因素是整体宽度。#40 型开口滚子链的整体宽度可能有所不同，但至少应为 10 英尺宽。虽然它并非最昂贵的滚子链类型，但使用寿命更长。正确使用可以延长其整体使用寿命，因此明智地选择它非常重要。如果您的企业经常使用滚子链，那么降低成本绝对物有所值。
应用
滚子链由一对交替排列的销轴和滚子链节组成。销轴压入侧板并通过铰链与滚子连接。滚子链可以是单股的，也可以是多股的，多股链通过一个公共销轴连接。多股设计可提供更高的剪切强度，适用于高要求的动力传输应用。滚子链的典型应用包括输送机、起重机和其他机械设备。
滚子链的功率能力受多种因素限制，包括销轴冲击和摩擦。虽然对这些因素的研究限制了滚子链的最大运行速度，但实践经验表明，这些系统可以在更高的速度下运行。适当的润滑和冷却可以提高这些链条的耐用性。此外，滚子链的应用还包括：
Drive and conveyor systems are the 2 main uses of roller chains. During driving operations, wear and elongation are a natural part of the operation. However, lubrication plays a vital role in minimizing wear and shock loads. Therefore, wear is inevitable and special care must be taken to ensure proper lubrication. Additionally, lubrication reduces heat dissipation in the chain.
The materials used to make roller chains vary from 1 type to another. Stainless steel is common, but nylon or brass are sometimes used. These materials are less expensive and more durable than steel or stainless steel. The best material for the job depends on a variety of factors, including cost, environmental conditions, and design horsepower transmission. For example, the pin bushing contact area is a critical area requiring lubrication. Additionally, some coatings are designed to retard the corrosive effects of water or oil.
