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China wholesaler ASTM519 Rebar Carbon Steel Bolt Screw Coupler/Joint/Sleeve/Coupling/Tube/Pipe/Rebar coupling engineering

製品説明

製品説明

 

Standard rebar couplers made by raw material 45# carbon steel with competitive price and divided into standard couplers, positional rebar couplers, and transition rebar couplers.
 

Name:

Thread Rebar Couplers Standard Type 

Used for Rebar:

HRB400/Grade 65/ and so on with rebar yield strength same as 500Mpa   or lower than that.

Raw Material:

S45C -yield strength 420Mpa, Tensile strength: 600-650MPa

Size:

16mm/18mm/20mm/25mm/28mm/32mm/36mm/40mm

Packing:

By bags and pallets packing, or wooden case packing as required (25KG   smaller packing, 1700KG per pallet)

Sample:

Free existing samples for checking dimension and quality

Production time:

15-40 days based on different quantity after receive the prepayment

Shipping Port:

Xihu (West Lake) Dis.g,ZheJiang Port,  ZheJiang   Port, China.

Payment Terms:

TT / LC

Certificate:

ISO/ CE

 

SIZE (mm)

Out Diameter (mm)

Length (mm)

Pitch (mm)

N.W    (KG)

PACKING IN ONE BAG  (NOS)

1 BAG WEIGHT (KG)

Approvals/ Certificate

16

24

42

2.5

0.092

250

23.00

CE / ISO

18

27

45

2.5

0.136

200

27.20

CE / ISO

20

30

50

2.5

0.159

132

20.98

CE / ISO

22

33

54

2.5

0.21

121

25.41

CE / ISO

25

38

62

3.0

0.34

80

27.20

CE / ISO

28

42

68

3.0

0.46

56

25.76

CE / ISO

32

48

76

3.0

0.633

42

26.58

CE / ISO

36

53

84

3.0

0.905

27

24.43

CE / ISO

40

59

95

3.0

1.16

25

29.00

CE / ISO

1. Standard rebar couplers Introduction

Standard rebar coupler belongs to Rolling technology, it is a parallel-thread mechanical splicing system used for the 16mm to 40mm reinforcing bars mechanical connections. This system is first peeling the rebar rib and then doing thread by cold rolling, this technology can meet with China standard of JGJ107-2571, USA standard of ACI318, UK standard of BS8110, VN standard of TCVN8163, and other international standards. The couplers can be divided into standard couplers with all right-hand thread, and also positional rebar coupler with 1 side left-hand thread another size right-hand thread, also it has transition couplers which 2 sides have different diameters. Also, this coupler has a competitive price over super couplers and is suitable for little lower rebar grades such as HRB400 or HRB500 rebar, it has full sizes from 16mm to 40mm.

2.45# steel carbon steel rebar couplers Features and advantages

a.Saving cost and easy operation than the lapping of rebar

b.One time loading can finish the rib peeling and thread rolling together.

c.Single step process, only 1 machine, 1 operator.

d.Assemble by visual inspection

e.Standard ISO parallel Metric Thread designs.

f.Used for many kinds of connections for a position or transition couplers

CPDL Rebar Coupler China Steel Rebar Coupler Manufacturers OEM/ODM On-demand Customized Rebar Splicing Coupler Wholesale Thread Rebar Couplers Standard Type

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Company Profile

Xihu (West Lake) Dis. Dingli Steel sleeve Co., Ltd. Was founded in 2011. With more than 10 years of experience in the field of rebar couplers manufacture, the company is located in Xinfa Industrial Park, Xihu (West Lake) Dis. County, HangZhou City, ZheJiang Province. The registered capital is 6 million.

Covers an area of 5, 000 square meters. 2011-2015 mainly in the Chinese domestic market, has served China′s major nuclear power plants and national enterprise buildings, 2016-now began to export, the establishment of 6 types of reinforced couplers, can be customized to a variety of sizes of couplers, in 2017 developed the cone thread system, in 2018 developed the fast connection system, We did not stop on the road of research and development, and strive to break through Dingli is a professional development, production and sales of rebar coupler and other mechanical connection products of the enterprise.

From inner management to outer sales, from technology improvement to customer complaints, we put all our efforts in providing products with high quality, perfect service and reasonable price that clients require. Our products have been exported to: USA, Mexico, Colombia, Australia, Poland, Russia, Korea, Thailand, India, Singapore, Malaysia, Vietnam, KSA, Qatar, Kuwait, Iran, Philippines, Ethiopia, Pakistan. Our annual productivity is 5, 000, 000 PCS of different kind of rebar coupler.

The most fast delivery time is within 5days for 1 container. Clients inspection on site is acceptable at anytime. We do produce Rebar parallel thread connection, cold press connection, rebar bridging connection, rebar taper thread connection, rebar nut-lock screw connection, 1 touch coupler and bolt coupler. We give client the best product and service with reasonable price, highest quality. Our company is approved by the industry with good faith strength and product quality.

Packaging & Shipping

 

FAQ

1. Q: Are you a trading company or manufacturer?

    A: We are an original equipment manufacturer.

2. Q: How long is your delivery time?

    A: It is according to the model and quantity.

        Generally, it is 3-5 days if the products are in stock.

        It will be 15-30 days if you want to customize the products

3. Q: What are your terms of payment?

    A: We accept T/T, Western Union, Money Gram, PayPal, Alibaba Escrow, etc.

        Payment<=USD 5000, 100% in advance.

        Payment>=USD 5000, 30% T/T in advance, balance before shipment.

 4. Q: Do you provide samples? Is it free or extra?

A: Yes, we could offer the sample for free charge, but clients do not need to pay the cost of freight.

Connection: Welding
Head Code: Round
Thread Distribution: Internal Thread
Surface: Polish
Material: Carbon Steel
Technics: Casting
Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
利用可能

|

Customized Request

カップリングを用いたプログラミング

A coupling is a mechanical device that connects two shafts together and transmits power. Its purpose is to join rotating equipment and allows some degree of end-movement or misalignment. There are many different types of couplings. It’s important to choose the right one for your application.

2つのシャフト間の機械的接続

2つのシャフトを機械的に接続する方法は数多くあり、その一つにカップリングの使用があります。一般的なタイプの一つに、ビームカップリング(ヘリカルカップリングとも呼ばれる)があります。これは、2つのシャフト間でトルクを伝達するために使用されます。このタイプの接続は、軸方向、平行方向、および角度方向のずれに対応できます。
The hubs and shafts of a worm gear are connected together by a coupling. This mechanical connection allows one shaft to turn another without causing a mechanical failure. This type of coupling is made from sliding or rubbing parts to transfer torque. However, the coupling is not designed to withstand jerks, so it isn’t suitable for high-speed applications.
カップリングは機械や装置において広く用いられています。動力伝達を一方の駆動軸から他方の駆動軸へスムーズに行うとともに、機械的な柔軟性を高めます。また、軸のずれによる衝撃や振動を軽減する効果もあります。さらに、駆動軸部品の摩耗を防ぐ役割も果たします。
ダブルフック​​カップリングは、駆動軸に均一な角速度を与えるために使用できます。別の例として、ダブルジョイントカップリングがあります。ダブルジョイントカップリングは、直接交差していない軸を接続するために使用できます。ダブルジョイントヨークも同様の目的で使用できます。
A shaft coupling is a device that maintains a strong mechanical connection between two shafts. It transfers motion from one shaft to another, at all loads and misalignments. Unlike a conventional linkage, a shaft coupling isn’t designed to allow relative motion between the two shafts. Couplings often serve several purposes in a machine, but their primary use is torque and power transmission.

他の関数の流れを制御する関数

最もシンプルなプログラミング構造の一つに、別の関数の実行フローを制御する関数があります。関数は引数を受け取り、異なる値を返すことができますが、その値を別の関数に渡す前に、関数自身が戻り値を返す準備ができていなければなりません。これを行うには、goto文やif文を使用できます。フローを制御するもう一つの方法は、条件文を使用することです。

カップリングを選択するための基準

There are several important factors to consider when choosing the right coupling. One of the most important factors is coupling stiffness, which depends on the material used and the shape. The stiffness of a coupling determines its ability to resist elastic deformation. A stiff coupling is desirable for certain types of applications, but it’s undesirable for others. Stiffness can reduce the performance of a system if there’s too much inertia. To avoid this, ensure that the coupling you choose is within the recommended limits.
The size of a coupling is also important. Different coupling types can accommodate different shaft sizes and shapes. Some couplings have special features, such as braking and shear pin protection. When choosing a coupling, you should also consider the type of driven equipment. If you need to connect a high-torque motor, for example, you’ll want to choose a gear coupling. Likewise, a high-speed machine may require a disc coupling.
Another factor to consider when selecting a coupling is the torque rating. Despite its importance, it’s often underestimated. The torque rating is defined as the torque of the coupling divided by its OD. In some cases, torque may fluctuate during a cycle, requiring a coupling with a higher torque rating.
ねじり剛性に優れたカップリングも検討すべき重要な要素です。その設計は、運転中に必要なトルクと速度に耐えられるものでなければなりません。また、カップリングは高いねじり剛性と減衰特性を備えている必要があります。さらに、減衰カップリングは振動によるエネルギー損失を低減することができます。
カップリングのサイズはトルクによっても決まります。多くのエンジニアはトルクを基準に適切なカップリングサイズを選定しますが、ねじり剛性やねじり柔軟性も考慮に入れます。例えば、シャフトはカップリングを損傷することなく大きなトルクに耐えられるかもしれませんが、ディスクは大きなトルクに耐えられない可能性があります。
Besides torque, another important consideration in coupling selection is the cost. While a coupling may be cheaper, it may be less reliable or easier to maintain. Couplings that are difficult to service may not last as long. They may also require frequent maintenance. If that’s the case, consider purchasing a coupling with a low service factor.
カップリングには様々な種類があります。中には、使用期間を通して潤滑が必要なものもありますが、潤滑不要のものもあります。潤滑不要のカップリングの一例として、CZPT社のRBIフレキシブルカップリングが挙げられます。このタイプのカップリングは、総所有コストを大幅に削減できます。
上記のような利点に加え、エラストマー製カップリングは低コストでメンテナンスもほとんど不要です。金属製カップリングよりも安価な場合が多く、優れた衝撃吸収性と振動減衰性も備えています。ただし、高温に弱いという欠点があります。また、アセンブリとしてのバランス調整が難しく、過負荷トルク容量にも制限があります。

editor by CX 2023-06-14

ep

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