Electron Beam Welding Machine_Nantong Zhenhuan Trade Co., Ltd.

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Electron Beam Welding Machine

Description of electron beam welding machine:
Electron beam welding machine adopts high technology, making electron beam current penetrate into workpiece in extremely high speed and energy density, under high voltage and vacuum condition. And such strong electron kinetic energy will transfer into heat energy very quickly and thus melt local position of workpiece and so weld it.
Electron beam welding machine is comprised of electron gun, high voltage power, vacuum system, vacuum welding chamber, electric control system, worktable moving system, etc.

Main advantages of electron beam welding method:
-- During welding, no welding wire or agent
-- Super-high precision welding, welding deepness can be controlled within 0.05~100mm range
-- High ratio between welding seam deepness and width, can be more than 60:1
-- Small heat effecting area, small deformation after welding
-- NC high precision welding, suitable for complicate shapes.
-- Welding seam doesn’t need to be retreated
-- High speed, high efficient, for batch production
-- Can weld different kind of metals, including two different metals and infusible metals

Main features of electron beam welding machine:
-- Three high voltage supplying methods: IGBT high-frequency switch power, medium-frequency power, thyristor.
-- Direct-heat oil-cooling clamshell type electron gun is of high-voltage resistant igniting structure, suitable for long time continuous work in production line.
-- Equipped with “+” centering CCD observing system
-- OMRON PLC control, industrial HMI control & display
-- Duplex over-voltage & over-current quick protection system, with discharge restraining quick blocking function.
-- Error diagnosing & displaying function
-- Full digital setting, dynamical curve displaying main parameters
-- Linkage between CNC worktable and electron-beam axis is optional
-- Accelerating voltage can work permanently under 120% rated value.

Main parameters of electron beam welding machines:

Code	Electron beam power (KW)	Accelerating voltage, max. (KV)	Electron beam current, max. (mA)	Max. welding deepness (stainless steel, mm)
THDW--1A	1	30	35	3
THDW--3A	3	30	100	9
THDW--3	3	60	50	13
THDW--6	6	60	100	25
THDW--9	9	60	150	35
THDW--12	12	60	200	40
THDW--9C	9	150	60	40
THDW--15C	15	150	100	60
THDW--20C	20	150	130	80
THDW--30C	30	150	200	100

Main technical index of electron beam welding machine:

Item		Company Standard	National Military Standard	DIN32505 Standard
Acceleration voltage	Ripple factor	1% (peak-peak)	------	2% (peak-peak)
	Stability	±0.5%	±1%	±1%
	Repeatability	±0.5%	±1%	±1%
Beam current	Ripple factor	2% (peak-peak)	------	5% (peak-peak)
	Stability	±0.5%	±1%	±1%
	Repeatability	±0.5%	±1%	±1%
Focusing current	Ripple factor	2% (peak-peak)	------	0.5% (peak-peak)
	Stability	±0.1%	±0.1%	±0.5%
	Repeatability	±0.1%	±0.1%	±0.5%
Welding speed	Stability	±1%	±2%	±1%
Welding speed	Repeatability	±1%	±2%	±1%

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