JWJ-10 Metal Wire Repeated Bending Test Machine

This testing machine is mainly used for the reverse bending test of metal wire, thin plate and thin strip, in order to check the performance of metal materials to withstand plastic deformation and obvious defects in reverse bending.

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Testing principle: the sample of certain specification is clamped in two jaw of specified size through the guide sleeve, and the machine is started. The sample is bent at 90° left and right. After the sample breaks, the machine stops automatically and the bending times are recorded.

Applicable standards

GB/T 238-2013 “Metallic materials wire rod bending test method”

GB/T4909.5-2009 “Test methods for bare wires Part 5: Bending test - Reverse bending”

TB/T2809-2005 “Copper and copper alloy contact wire for electrified railway”

GB/T235-2013 “Test method for reverse bending of sheet and strip of metallic materials with thickness equal to or less than 3 mm”

ຄຸນລັກສະນະ

1. Replacing clamping jaws with different specifications allows for bending tests of various specifications of materials;

2. PLC programming, frequency converter control motor, touch screen operation, and adjustable bending speed.

3. Stable performance, compact structure, reliable quality, suitable for long-term work;

4. Quick tensioning device, easy to operate

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Applicable materials	Metal wire
Max. bending diameter	1 ~ 10mm
ຄວາມຍາວຕົວຢ່າງ	300 ~ 400mm
Bending angle	90 ° left and right each
Circular cross section wire rod	≤Φ6mm
Numbers of bending jaws for circular cross section wire rod	One pair of r1.25, 1.75, 2.5, 3.75, 5.0, 7.5, 10 and 15, R20 and R25 are optional
Irregular section wire rod	≤Φ8mm
Numbers of bending jaws for irregular section wire rod	One pair of r1.25, 1.75, 2.5, 3.75, 5.0, 7.5, 10,15,20 and R25 is optional
Bending speed	10 ~ 75 times / min adjustable
Motor Power	Vertical three-phase 1.5kw
Overall dimensions(mm)	760(L) x 550(W) x 1210(H)
ການສະຫນອງພະລັງງານ	Three-phase four-wire system 220 / 380V / 50Hz

Specification For Application Of Wire

Nominal diameter of wire rod	Jaw support radius(r)	Range(h)	Guide sleeve hole diameter(d)(g)
0.3≤d＜0.5	1.25±0.05	15	2.0
0.5≤d＜0.7	1.75±0.05	15	2.0
0.7≤d＜1.0	2.5±0.1	15	2.0
1.0≤d＜1.5	3.75±0.1	20	2.0
1.5≤d＜2.0	5.0±0.1	20	2.0 and 2.5
2.0≤d＜3.0	7.5±0.1	25	2.5 and 3.5
3.0≤d＜4.0	10±0.1	35	3.5 and 4.5
4.0≤d＜6.0	15±0.1	50	4.5 and 7.0
6.0≤d＜8.0	20±0.1	75	7.0 and 9.0
8.0≤d＜10.0	25±0.1	100	9.0 and 11.0