Elevator chains are designed to meet high demands for wear resistance and tensile strength. To achieve this, we perform secondary heat treatment on the rollers and bushings. The components are first carburized, then undergo a second heat treatment process to increase surface hardness and core toughness. These treatments ensure enhanced crushing strength and durability.
Since this type of roller chain is primarily used for vertical material lifting, it requires strong structural integrity to prevent loosening. We manufacture the parts with optimized tolerances to ensure a perfect fit, and we use a hydraulic press to assemble the chain components, ensuring a secure and reliable connection.
Our elevator chains are widely used in industries such as cement, mining, grain processing, road construction, and steelworks. They are designed to operate in harsh environments and can function normally even when exposed to heavy dust and hard particles.
Below is a detailed specification table for the NE model lifting chains:
Chain No. |
Pitch P (mm) |
Diameter of roller d1 (mm) |
Diameter of pin d2 (mm) |
Length of pin b2 (mm) |
Inner width of inner link b1(min) (mm) |
Thickness of sidebar T (mm) |
Height of sidebar h2 (mm) |
Height of attached plate h2 (mm) |
Tensile strength Q (min.)(KN) |
NE Model Lifting Chain for Elevators |
NE15-101.6 |
101.6 |
26.5 |
11.5 |
70 |
27 |
6 |
35 |
35 |
128.1 |
NE30-152.4 |
152.4 |
35 |
15.5 |
90 |
36.5 |
8 |
50 |
50 |
245 |
NE50-152.4 |
152.4 |
35 |
15.5 |
90 |
36.5 |
8 |
50 |
110 |
245 |
NE100-200 |
200 |
42 |
19.1 |
120 |
51.8 |
10 |
60 |
125 |
375 |
NE150-200 |
200 |
48.5 |
22.23 |
120 |
57.8 |
10 |
60 |
125 |
375 |
NE300-250 |
250 |
70 |
35 |
165 |
75 |
16 |
100 |
150 |
450 |
NE300-250A |
250 |
63.5 |
31.75 |
146 |
67.4 |
12 |
90 |
150 |
450 |
NP152.4 |
152.4 |
357 |
15.88 |
88 |
38 |
7.9 |
45 |
105 |
245 |
FE12600 |
152.4 |
35 |
15.88 |
86 |
36.5 |
7.9 |
45 |
120 |
245 |
NE100/2L |
200 |
44.5 |
19.05 |
114 |
53 |
10 |
60 |
125 |
400 |
NE150-B/2L |
200 |
44.5 |
19.05 |
114 |
53 |
10 |
60 |
125 |
400 |
NE200/2L |
250 |
63.5 |
31.75 |
140 |
67.4 |
12 |
90 |
150 |
750 |
9060 G4/4L |
152.4 |
34.93 |
19.05 |
94.5 |
38.1 |
9.5 |
50.8 |
120 |
312 |
P152.4-A/2L |
152.4 |
36 |
17.33 |
85 |
36.5 |
8 |
50 |
105 |
160 |
DK 19200M G4/2L |
200 |
38.1 |
15.77 |
86 |
36.5 |
8 |
45 |
125 |
312 |
NE150-A/2L |
200 |
48.5 |
22.23 |
122 |
57.6 |
10 |
75 |
125 |
529 |
P152.4 3L |
152.4 |
31.75 |
15.77 |
109 |
54 |
9.6 |
38.1 |
139.7 |
145 |
P125/2L |
125 |
52 |
17 |
80 |
31 |
8 |
580 |
100 |
219.52 |
FE12600-S/2L |
152.4 |
34.93 |
15.88 |
86 |
36.5 |
7.9 |
45 |
120 |
160 |
NE150/2L |
200 |
48.5 |
22.23 |
118 |
57.6 |
10 |
75 |
125 |
529 |
NE300-250/2L |
250 |
70 |
35 |
165 |
75 |
16 |
100 |
150 |
1107 |
P152.4/2L |
152.4 |
35.7 |
15.88 |
88 |
38 |
7.9 |
45 |
105 |
160 |
DS17200-S G4/2L |
200 |
40.08 |
19.05 |
106.5 |
50.8 |
9.5 |
50.8 |
130 |
260 |
P250-G4/2L |
250 |
73 |
38.5 |
183.5 |
82 |
16 |
115 |
180 |
1200 |
NE300 |
250 |
70 |
35 |
165 |
75 |
16 |
100 |
150 |
1107 |
Dimensions of Attached Plate |
Chain No. |
d4 (mm) |
L1 (mm) |
L2 (mm) |
NE15-101.6 |
10 |
50 |
50 |
NE30-152.4 |
15 |
75 |
70 |
NE50-152.4 |
15 |
75 |
70 |
NE100-200 |
15 |
75 |
70 |
NE150-200 |
18 |
100 |
80 |
NE300-250 |
18 |
140 |
100 |
NE300-250A |
20 |
140 |
100 |
NP152.4 |
15 |
75 |
70 |
FE12600 |
15 |
75 |
70 |
Why Choose DCC?
1. Changzhou Dongwu Chain Transmission Manufacturing Co., Ltd. is a professional manufacturer of chains and is a member unit of the China National Technical Committee for Standardization for China Transmission.
2. We occupy an area over 100,000 square meters, with standard workshops covering more than 30,000 square meters and over 300 sets of advanced equipment for large-scale chain production and complete inspection and testing devices.
3. We have passed the authentications of ISO9001:2000 international quality system and ISO14001 environmental management system.
4. 75% of our products are exported to Europe, America, Japan, Southeast Asia, and other regions.
5. With 12 years of factory experience, nearly all parts are produced in-house, allowing us to maintain control over both cost and quality.
Choose DCC, and you choose high quality, competitive pricing, and excellent service. If you need more information about this chain, feel free to contact us at any time. We hope to build not only business but also friendship with you!
Oil Pump
The role of the oil pump in the lubrication system:
The function of the oil pump is to raise the oil to a certain pressure and force the ground pressure to the moving surface of the engine parts. The structure of oil pump can be divided into two categories: gear type and rotor type.
Gear type oil pump is divided into internal gear type and external gear type, generally referred to as the latter gear type oil pump.
Structural characteristics of oil pump:
Simple structure, small size, light weight, large oil transmission. Cycloidal rotor pump system adopts the structure of internal and external rotor meshing, the number of teeth is small, the structure size is compact, and the sealing cavity can be formed without other isolation elements, and the number of parts is small.
What is the working principle of oil pump?
When the engine is working, the drive gear on the camshaft with the transmission gear of the motor oil pump, so that the drive gear fixed on the drive gear shaft rotates, thereby driving the driven gear to rotate in the opposite direction, the oil from the oil inlet cavity along the backlash and pump wall to the oil outlet cavity.
In this way, a low pressure is formed at the oil inlet chamber to produce suction, which sucks the oil in the oil pan into the oil chamber.
Due to the continuous rotation of the main and driven gears, the oil is constantly pressed to the required part.
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