韩国永力塑料脚轮有限公司 · 三檀路 | 檀园区 | 安山市 | 京畿道 | 韩国[email protected]
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产品描述

Rubber bushing/rubber stopper/rubber shock absorber is vulcanized with various of material, such as EPDM, NR,SBR etc.
With Good resistance to seasonality, heat resistance, chlorination resistance, aging resistance.
Inside stainless steel and It has a very good damping effect.
Are widely applied in any area, such as furniture, Chassis instrument etc
 
Production Description

Item Name Rubber bushing, ruubber stopper, rubber shock absorber
材料 EPDM,NBR,NR,SBR,PVC,EPT, PP/ABS
颜色 Black, white, red,etc
Dimension As client’s requirement
硬度 30~90ShA
特征 High elasticity, insulation, abrasion resistance, oil resistance, aging resistance, high temperature resistance, cold resistance, anti-corrosion, anti-static
应用 Removable instruction,furniture,etc
原厂设备制造商 welcome
MOQ Meet your requirement
认证 REACH, ROHS,FDA,SGS,etc

The advantage and property of rubber bushing/rubber stopper/rubber shock absorber
1.We adopt heighten new technology craft
2.The material of rubber bushing is complete fresh and tasteless
3.Not fade, anti-slip wear-resistant anti – pressure , damping, acid and alkali resistant
4. Environment friendly


The different material of rubber bushing will cause different property.
EPDM/NBR/silicone/SBR/PP/PVC etc.

Items EPDM NR silicone PVC
硬度
(Sha)
30~85 30~90 20~85 50~95
Tensile strength
(Mpa)
≥8.5MPa > 20 Mpa 3~8 10~50
Elongation(%) 200~550 1000% 200~800 200~600
Specific Gravity 0.75-1.6 1.15-1.21 1.25~1.35 1.3~1.7
Temperature range -40~+120°C -50~70ºC. -55~+350°C -29°C – 65.5°C

1. the property of NR
 It has good wear resistance, high elasticity, breaking strength and elongation, But in the air, it is easy to get age, and it is get sticky when it get in touch with heat, which is easy to expand and dissolve in mineral oil or gasoline, but it is resistant to strong acid, but not to Alkali . working temperature is -50~70ºC.
2. the property of EPDM
Weather ability, aging resistance, CZPT resistance, chemical stability are excellent, and CFCS and a variety of refrigerants. Working temperature is -50~150
3. the property of silicone
It has excellent heat resistance, cold resistance, CZPT resistance and atmospheric aging resistant.Good electrical insulation performance,The tensile strength and wear resistance are generally poor and has non- oil resistant. The working temperature is -55~250ºC
4. The property of NBR
Good oil resistance, heat resistance, abrasion resistance, solvent resistance and high – pressure oil,But it is not suitable for CZPT solvents, such as ketones, ozone, nitro-hydrocarbons, and chloroform. The working temperature is -40~120 ºC
5. the property of CR
It has good elasticity, wear resistance and atmospheric aging resistance. It is not afraid of violent distortion and flammability.Chemical stability. The working temperature is -40~100 ºC
6. The property of FKM
Excellent high temperature resistance,And have excellent chemical resistance, most oil and solvent (other than ketones and esters).cold resistance is not good.
 

About US
These years, We are working on various project of customers and long term working in rubber industry. We have faith in giving your professional advice on your particular project.
At present, our market have been expanded to more than 30 countries, and still growing.
First we will get drawing or sample from our client to check their design. If there is no drawing or sample, we will ask some question about product concept and design idea.
Then according to what application environment of rubber part, we will help design drawing and what raw material is best for rubber part. OEM parts are ok for us.
 
We can meet your requirement of the design and use for different shapes and material,
 And high/low temperature, foam/sponge or CZPT rubber profile, fire resistance and special property of any rubber profile and molding rubber part
The advantage of our company
1.We have excellent complete production line with advanced production and test equipment
 Adding First-class technicians, so that we can  offer you the competitive price and high quality ,fast delivery time .
2.We have a special drawing design department to design the correct drawing data meeting your requirements. Then, we will use CAD or other format drawing to carry on tracking the production of tooling, sample ,mass goods. To avoid something wrong to each process. To make sure all of dimension are correct.
3.We also has special production supervision department. The engineer staff will Supervise  each process from the manufacture of tooling to the production of mass goods.
Reduce something wrong happened, finally offer you parts meeting your technology requirement.
4. All of Raw material are past quality certification,In the meantime, we will first delivery test report of rubber part when all of mass goods are finished. And make sure the quality meet your requirement, then make shipment.

Packing and shipment

  • one part is packaged with 1 plastic bag, then certain quantity of mounting are put into carton box.
  • Carton box insider rubber mounting is with packing list detail. Such as, item name, the type number of rubber mounting, quantity of rubber mounting, gross weight,net weight, dimension of carton box,etc
  • All of carton box will be put on 1 non-fumigation pallet, then all carton boxes will be wrapped by film.
  • We have our own forwarder which has Rich experience in delivery arrangement to optimize the most economic and quickest shipping way, SEA,  AIR,  DHL, UPS ,FEDEX, TNT , etc.
  • Why choose us?
  • 1.Product: we specialize in rubber molding,injection and extruded rubber profile.
       And complete advanced production equipment and test equipment
    2.High quality:100% of the national standard has been no product quality complaints
    the materials are environmentally friendly and the technology reaches the international advanced level
    3.The competitive price:we have own factory, and the price is directly from factory. In additional,perfect advanced production equipment and enough staff. So the price is the best.
    4.Quantity :Small quantity is available
    5.Tooling:Developing tooling according to drawing or sample, and solve all of questions
    6.包裹: all of package meet standard internal export package, carton outside, inside plastic bag for each part; as your requirement
    7.Transport:We have our own freight forwarder which can guarantee our goods can be delivered safely and promptly by sea or air
    8.Stock and delivery:Standard specification,lots of stocks, and fast delivery
    10. Service:Excellent service after-sales
     
  • Common Questions
  • What is the minimum order quantity for your rubber products?
  • Answer:We didn’t set the minimum order quantity,1~10pcs some client has ordered.
  • If we can get sample of rubber product from you?
  •  Answer:Of course, you can. Feel free to contact me about it if you need it.
  • Do we need to charge for customizing our own products? And if it is necessary to make tooling?
  • Answer: if we have the same or similar rubber part, at the same time, you satisfy it.
     Well, you don’t need to open tooling
    New rubber part, you will charge tooling according to the cost of tooling.
    In additional,if the cost of tooling is more than 1000 USD, we will return all of them to you in the future when purchasing order quantity reach certain quantity our company rule
  • How long you will get sample of rubber part?
  • Answer: Usually it is up to complexity degree of rubber part. Usually it take 7 to 10work days.
  • How many your company product rubber parts?
  •  Answer:It is up to the size of tooling and the quantity of cavity of tooling. If rubber part is more complicate and much bigger, well maybe just make few, but if rubber part is small and simple, the quantity is more than 200,000pcs.
  • Silicone part meet environment standard?
  • Answer:Our silicone part are all high grade 100% pure silicone material. We can offer you certification ROHS and SGS, FDA .Many of our products are exported to European and American countries. Such as: Straw, rubber diaphragm, food mechanical rubber, etc.
     
  • 常问问题
    1. Are you factory or trade company?
    We  specialize in manufacturing rubber and plastic manufacturer, founded in 2004
    2. What’s the order process?
    A: Inquiry—provide us all clear requirements, such as drawing with detail technical data, or original sample
    B: Quotation—official quotation sheet with all detail specifications including price terms,shipment terms,etc
    C: Payment terms—100% prepaid the cost of tooling before making new sample
                    T/T 30% in advanced, and the balance according to the copy of the B/L
    D:Develop tooling—open the mould according to your requirement
    E:Sample confirmation—send you the sample for confirmation with test report from us
    F:Production—mass goods for order production
    G:Shipping— by sea, air or courier. Detailed picture of package will show you.
     
    3. What other terms of payment you use?
       PayPal, Western Union

Usage: Agricultural, Industrial, Medical, Vehicle, Electronic, Household
材料: EPDM, Nr, NBR, Silicone, PVC, FKM, Eptetc
Process Technology: Molding or Injection
The Name of Enterprise: Manufacturer
认证: FDA, SGS, Reach, RoHS, etc
OEM: Welcome
示例:
US$ 0.3/Piece
1 件(最低订购量)

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注塑成型零件

注塑件壁厚的重要性

在设计注塑成型零件时,保持壁厚均匀至关重要。壁厚不均会导致翘曲和凹陷。为最大限度减少这些问题,注塑成型零件的壁厚应为相邻壁厚的40%至60%。壁厚还应在所用树脂推荐的范围内。如果壁厚过厚,则应进行空心处理。不必要的壁厚会改变零件的尺寸,降低其强度,并可能需要进行后加工。

在注塑成型零件的设计中去除尖角

在注塑成型零件上设计消除尖角可能是一项具有挑战性的工作。影响所需圆角半径的因素有很多。一般而言,圆角半径约为相邻壁厚的0.5倍。这样可以防止注塑成型零件出现尖角。
尖角会阻碍熔体流入模具,导致零件出现缺陷。它们还会造成应力集中,从而降低零件强度。为避免这种情况,应在设计时避免尖角。将拐角处倒圆角也是避免尖角的有效方法。
另一个常见问题是悬垂结构。注塑成型的带悬垂结构的零件通常采用侧向型芯,型芯从顶部或底部注入。因此,这类零件的制造成本会迅速增加。此外,固化和冷却过程会占用注塑周期的一半以上。所以,设计悬垂结构最小的零件更具成本效益。
注塑件的倒扣应设计成较大的半径,最好是零件壁厚的1到2倍。内角半径至少应为壁厚的0.5倍,外角半径应为壁厚的1.5倍。这有助于保持零件壁厚的一致性。避免倒扣对于顺利脱模也至关重要。如果存在倒扣,零件冷却后可能会粘在模具内。
在设计塑料零件时,保持壁厚均匀是另一个重要问题。壁厚不一致会增加翘曲和其他缺陷的发生几率。

在注塑成型零件中添加嵌件

在注塑成型零件中添加嵌件是一种经济高效地提升产品功能的方法。嵌件通常由多种材料制成,包括不锈钢、黄铜、铝、青铜、铜、蒙乃尔合金、镍/镍合金等等。选择合适的材料取决于零件的应用。选择正确的材料有助于防止缺陷并缩短生产周期。嵌件材料应经久耐用,能够在注塑成型过程中抵抗变形。此外,它还必须足够薄,以提供所需的抓握力,并具有合适的模具深度。
在注塑成型零件中添加嵌件的优势在于能够设计出形状独特的零件。这些零件不仅美观,而且经久耐用,耐磨损。此外,嵌件成型还能使产品拥有良好的外观。除了成本效益高之外,嵌件成型也被认为是一种比其他传统方法更高效的制造方法。
在注塑成型零件中添加嵌件是提高产品强度和性能的绝佳方法。嵌件种类繁多,包括螺纹螺母、衬套、销钉和刀片等。有些嵌件甚至带有滚花外表面,有助于其与塑料的粘合。
除了成本效益高之外,嵌件成型工艺还具有环保优势,并且适用于多种材料。典型的嵌件由金属或塑料制成。根据应用的不同,加固嵌件也可以采用木材。

均匀壁厚的重要性

注塑成型件壁厚均匀性是塑料注塑成型工艺中的关键因素。它不仅能带来最佳的加工效果,还能确保成型零件始终保持平衡。这种均匀性对于导热性差的塑料尤为重要。此外,如果注塑零件的壁厚不均匀,就会滞留空气,导致零件填充不均匀。
均匀的壁厚也有助于减少收缩。不同材料的收缩率不同。例如,厚零件的冷却时间比薄零件长。随着零件厚度的增加,冷却时间会加倍。这种关系源于一维热传导方程,该方程表明热量从零件中心流向冷却通道。然而,这种关系并非适用于所有类型的塑料。
注塑件壁厚均匀性的一般原则是壁厚不应超过3mm。在某些情况下,可以使用更厚的壁厚,但这会显著增加生产时间,并降低零件的美观性和功能性。此外,相邻壁厚之间的差值不应超过40-60%。
壁厚均匀性对注塑成型工艺的整体质量和效率至关重要。壁厚不均匀会导致扭曲、翘曲、开裂甚至坍塌。均匀的壁厚还能减少残余应力和收缩。壁厚均匀的注塑件稳定性更高。
注塑成型的厚壁零件可能会出现问题,尤其是当零件形状为立方体时。壁厚不均匀会导致各种问题,并造成昂贵的重新模具成本。幸运的是,这个问题是有解决办法的。第一步是了解问题所在并采取相应措施。

利用3D打印技术制造模具

花键轴使用3D打印模具可以让制造商生产各种各样的注塑成型零件。然而,3D打印模具的强度不如金属模具。这意味着它们无法承受高温,高温会导致模具损坏。因此,它们不适用于需要光滑表面的项目。为了降低这种风险,可以对3D打印模具进行陶瓷涂层处理。
利用3D打印技术制造注塑模具有助于降低成本和缩短交货时间,使制造商能够更快地将产品推向市场。此外,该工艺还具有高效的优势,因为采用3D打印技术制造的模具可以设计成经久耐用。
注塑模具制造的第一步是设计模具。根据零件的不同,设计可复杂可简单。模具的设计可能非常精细。一个简单的模具示例是一个红色杯子,它有内壁和外壁。内壁上会有一个从外壁伸出的大型锥形材料。
注塑成型是生产数千个零件的有效方法。然而,许多工程公司无法获得昂贵的3D打印机。为了解决这个问题,公司可以考虑使用外部供应商。除了加快制造速度外,3D打印还可以降低样品零件的成本。
注塑成型仍然是大批量生产最常用的方法。然而,这种工艺需要大量的初始资金投入,并且需要一段时间才能适应。它的优势包括可以同时使用多个模具、材料浪费极少以及精确计量。随着可用材料的日益增多,对于希望生产各种塑料零件的公司来说,3D打印可能是一个明智的选择。
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editor by CX 2023-05-06