flat curved tooth connecting linkShandong AID Industrial Co., Ltd.Shandong AID Industrial Co., Ltd.

flat curved tooth connecting link

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flat curved tooth connecting link
Scope of application: Coal chemical application in power plants
Way of installation: Horizontal installation / vertical installation
Material: 23MnNiMoCr54quality alloy steel
Production process: Original “carburization-differential heating treatment process” / “differential heating treatment process”
Production standard: MT/T99-1997 Flat Type Connecting Link for Mining Round Link Chain(better than DIN22258)
Contact information: +86-18663893777
Contact address: No. 36, Shenzhen street, industrial park, Haiyang City, Shandong Province

Product details

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The flat curved tooth connecting link mainly refers to the connecting link among the scraper chains of heavy-duty and super-heavy scraper conveyors in coal mines. It is developed and produced in strict accordance with the provisions of MT/T99-1997 Flat Type Connecting Link for Mining Round Link Chain, which is of advanced processing technology and high precision.
Top circle and root circle of the connecting link are of the same circle but have different centers. The connecting link is self-locked when the chain is under twisting moment. The curved tooth has a big transition round corner to prevent tooth breakage caused by stress concentration. Meanwhile, there is an angle between the stressed S-shape tooth surface and the chain pull direction, the component force of which will make the connecting link increasingly tight; in addition, the connecting link has a locating locking pin in the middle that is easy for installation.
This product is characterized by certain advanced nature and use reliability, and its strength and fatigue life are close to the level of connecting links with the same structure in the world. Its main technical properties are listed as follows:
◆ Advanced structure, reliable connection, easy assembly and disassembly;
◆ It can be used for the connection among mining round link chains for scraper conveyors, loaders and planers in coal mines as well as connections among the chains of the slag conveyors, slag removers and crawler loaders in power plants ;
◆ The original “differential heating treatment” process is adopted realizing better tensile properties and longer fatigue life of connecting links. Through the carburization processing, the connecting links are of higher corrosion resistance and surface hardness to meet the requirements of power plants.
The main dimensions and breaking force of the product are as follows
Dimensions

Dimensions and properties

Specification d×p	d (mm)	P (mm)	L max	b min	B max	C max	Weight Kg	Minimum breaking load (KN)	Minimum number of cycles (times)
22×86	22±0.7	86±0.9	132	24	85	27	1.3	645	70000
26×92	26±0.8	92±0.9	146	28	97	33	2.0	900
30×108	30±0.9	108±1.1	170	32	109	36	2.8	1200
34×126	34±1.0	126±1.3	196	36	121	41	4.1	1450
38×137	38±1.1	137±1.4	215	40	134	46	5.6	1926
42×146	42±1.3	146±1.5	232	44	150	51	7.5	2350
42×152	42±1.3	152±1.5	238	44	150	51	7.8	2350

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