VIDYUT CARBON PRODUCTS PVT. LTD.

TECHNICAL QUESTIONNAIRE

Carbon Brush Technical Query Form

Please fill in the form below to its fullest extent in order that we might fulfil your order as completely as possible.
Fields marked with * are required to complete the form.

Please Mark Your selection In The Box	A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9

 

Please Mark Your selection In The Box	E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 G0 G1 G2 G3 G4 G5 H0 H1 H2 H3 H4 H5 H6 H7 H8 H9

Number 1 2 3 4 5 6	Dimensions:   A=   B=

Type A B C D	Gap	Hole Dia.	Width	Height

Position A B	Length	Rivetted	Plain	Insulation
			Tinned

 

	SLIPRING	COMMUTATOR
Present Grade	Dimensions T	A	R

	° TOP
	° BOTTOM
	A
	B
	R
	R

Number 1 2 3 4
Width of Groove (A)	Width of Groove (B)
Depth of Groove	Angle of Dust Grooves (°)

Maker of Machine
Makers Type
Serial Number
Type			Motor	Generator
Current			DC	AC
Rectified Current			Reversing	Non-reversing
Converter	Type		DC-AC	AC-DC
	Rated		Operating	Normal	Maximum
Speed (in rpm)
Voltage (V).
Current (A).
Power			kW hp
Application:
Dutycycle
Number of Phases
Frequency (Hz)
Number of Main Poles
Are Commutating Poles fitted?			Yes	No
Are Compensating Windings fitted?			Yes	No
Excitation			Separate Shunt	Compound Series
Construction			Open	Protected	Totally Enclosed
Ambient Temperature °C
Relative Humidity%
Are oil vapours present?			Yes	No
Corrosive Gases? (please specify)
Dust in Atmosphere? (please specify)
Vibration?			Yes	No
Amount of shaft axial play
Diameter	Commutator		mm in.
	Rings		mm in.
Length of Commutator face			mm in.
Width of Rings			mm in.
Number of Commutator Segments
Is Mica Recessed ?			Yes	No
Material of Rings
Are rings Helically grooved?			Yes	No
Position	Commutator		Between Bearings Outside Bearings
	Rings		Between Bearings Outside Bearings
Brush Gear Enclosure			Totally enclosed	Open ventilated
Are brushes lifted when machine is up to speed?			Yes	No
If ‘No’, Are rings short circuited?	At Machine		Yes	No
	At starter		Yes	No
Current per Ring (Amps)	DC	AC	A
Working temperature	Commutator		°C
	Rings		°C
SURFACE CONDITION	Commutator		Good Polished Dull Smooth Threaded Uniform Marked
	Rings		Good Polished Dull Smooth Threaded Uniform Marked
Date of last reconditioning	Commutator
	Rings
Number of Brush Arms per Commutator
Number of Brushes per Arm
Number of Rings
Number of Brushes per Ring
Contact Bevel Angle
Is Brush Sub-Divided?			Yes	No
Are all brushes on each arm aligned			Inline	Staggered circumferent
Brush Spring Force	Fixed		N kgf
	Adjustable (specify Force Range)
Maker & Grade of Present Brush Used
Average brush wear (state units used)
What Trouble is Experienced (If Any)?

 

 

Please fill the following fields to send your contact Information with the form. All fields marked (*) are mandatory.

Your Name(*)
E-mail (*)
Designation
Company
Company Address
City / State
Zip / PIN Code
Country
Phone
Fax