Chổi than máy mạ Cu - K.WALTER - Tip Top Industrials Việt Nam

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Chổi than máy mạ Cu – K.WALTER

Chổi than cho motor K.walter - mạ Cu +Cường độ dòng điện 6000A. +Điện áp 12V DC +Kích Thước chổi than : 105x42x61mm

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Chổi than metallic graphite cho máy mạ – Chứa % kim loại cao độ dẫn điện tốt. Đáp ứng nhu cầu chịu dòng lớn .

Kích Thước : 105x42x61mm

Grade

Material type

Voltage drop

Coefficient of friction

Test conditions

Resis- tivity µΩm

Rockwell

Bending strength N/mm²

Bulk density g/cm3

Metal content
%

HR10/40

HR5/40

B30

Bronze-graphite

0.3

—

5.60

Classification		Symbol		Voltage drop between two carbon brushes connected in series Uü (V)				Coefficient of friction µ
Very low		vl		< 1.5				< 0.08
Low		l		1.5 – 2.2				0.08 – 0.15
Medium		m		2.2 – 3.0				0.15 – 0.22
High		h		> 3.0				> 0.22
No.	Current density A/cm²		Peripheral speed m/s		Brush pressure cN/cm²	Collector temperature °C	Related to the following fields of application of the carbon brushes
1	12		30		250	90	Stationary D.C. machines with and without commutation aids
2	12		50		250	90	Traction motors
3	10		30		200	90	Three-phase commutator motors
4	6		60		160	90	Turbogenerators and turbomotors
5	20		30		200	90	Slip-ring machines and low-voltage machines
6	16		30		200	90	Slip-ring machines and low-voltage machines
7	12		30		200	90	Slip-ring machines and low-voltage machines