Laser cutting

Laser Cutting 

• Laser cutting is able to cut faster and with a 

higher quality then competing processes: – Punch, plasma, abrasive waterjet, ultrasonic, 

oxyflame, sawing and milling

• Can be automated 

• 80% industrial lasers in Japan are used for 

metal cutting

Vaporization Cutting

• The focused beam in vaporization cutting first heats up the 

surface to boiling point and generates a keyhole. 

• The keyhole causes a sudden increase in the absorptivity due 

to multiple reflections and the hole deepens quickly. 

• As it deepens so vapor is generated and escapes blowing 

ejecta out of the hole or kerf and stabilizing the molten walls 

of the hole 

• This is the usual method of cutting for pulsed lasers or in the 

cutting of materials which do not melt such as wood, carbon, 

and some plastics.

Contrie

THE AMERICAS	FOUR SEASONS
U.S.A	(1 800) 819-5053
Canada	(1 800) 819-5053
Argentina	(0 800) 222-1009
Brazil	(0 800) 591-7021
Mexico	(001 888) 304-6755

ASIA/PACIFIC	FOUR SEASONS
Australia	(1 800) 142 163
China North	(10 800) 650 0184
China South	(10 800) 265 0184
China (mobile)	(400) 148 7200
Hong Kong	(800) 96-8385
India	(000 800) 650 1418
Japan	(0120) 024754
Malaysia	1 800 806 359
New Zealand	(0800) 449 286
Singapore	(1 800) 232 5926
Taiwan	(00801) 65 1564

EUROPE/MIDDLE EAST	FOUR SEASONS
Austria	(00 800) 6488-6488
Bahrain	(8000) 4115
Belgium	00800 64 88 64 88
Denmark	(00 800) 6488-6488
Egypt (Cairo)**	2510-0200 then dial (800) 607-0309
Egypt (outside Cairo)**	(02) 2510-0200 then dial (800) 607-0309
France	(00 800) 6488-6488 (0800) 919 819
Germany	(00 800) 6488-6488
Ireland	(00 800) 6488-6488
Italy	(800) 791490
Morocco	(212) 8920-90134
The Netherlands	(00 800) 6488-6488
Northern Ireland	(00 800) 6488-6488
Norway	(00 800) 6488-6488
Portugal	(00 800) 6488-6488
Russia***	810 800 2120 1049
Spain	(00 800) 6488-6488
Sweden	(00 800) 6488-6488
Switzerland	(00 800) 6488-6488
Saudi Arabia	800 865 6002
South Africa	0 800 981271
United Arab Emirates	8000 65 0561
United Kingdom	(00 800) 6488-6488

* An AT&T Direct Access number must be dialed before dialing the toll-free number.
** A PTT Direct Access number must be dialed before dialing the toll-free number.
***May not be applicable to all telephone providers and mobile users in Russia.

DIAL DIRECT WITHIN

LOCATION	FOUR SEASONS	REGENT
Dublin
Frankfurt	49 (69) 66 419 841
Omaha
Orlando	1 (407) 673-8184
Singapore	(65) 6232-5926	(65) 6725 3088
Sydney
Toronto	1 (416) 441-4373

software companies

IBM
39,264
2
HP
27,745
3
Fujitsu
27,102
4
CSC
16,680
5
Accenture
15,985
6
Northrop Grumman
12,454
7
Hitachi
12,318
8
Capgemini
11,154
9
NTT Data Corporation
10,498
10
NEC
9,103
11
Ericsson
8,951
12
BT Global Services
8,375
13
Atos Origin
7,827
14
T-Systems
7,660
15
Siemens
7,590
16
Lockheed Martin
7,338
17
Nokia Siemens Networks
7,103
18
SAIC
6,983
19
Microsoft
6,463
20
ACS
6,342
21
Huawei
6,110
22
Dell
5,682
23
Logica
5,245
24
General Dynamics
5,019
25
Alcatel-Lucent
4,805
26
EMC
4,804
27
Cisco
4,629
28
Unisys
4,604
29
Sun Microsystems
4,591
30
Oracle
4,542
31
SAP
4,507
32
Tata Consultancy Services
4,269
33
Infosys Technologies
4,087
34
Experian
3,852
35
Dimension Data
3,814
36
Wipro Limited
3,754
37
SunGard
3,581
38
Capita
3,568
39
Fiserv
3,256
40
BearingPoint
3,197
41
CGI Group
3,088
42
Amdocs
3,027
43
Cognizant
2,816
44
Perot Systems
2,779
45
KPN (Getronics)
2,691
46
Digital China Holdings
2,617
47
Convergys
2,611
48
TietoEnator
2,597
49
Caci International
2,576
50
Steria Group
2,458
51
NCR
2,454
52
McKesson
2,282
53
BAE Systems
2,173
54
Mahindra Satyam
2,138
55
Broadridge Financial Solutions
2,132
56
CSK
2,126
57
Nortel
2,089
58
Indra
2,087
59
Avaya
2,067
60
DST Systems
2,021
61
HCL Technologies
2,020
62
QuintiQ
1,981
63
L-3 Communications
1,948
64
CompuCom
1,900
65
Mantech International
1,871
66
Arrow Electronics
1,814
67
FIS (Fidelity National Information Services)
1,723
68
World Wide Technology
1,707
69
a&o systems + services
1,672
70
Diebold
1,607
71
Otsuka Corporation
1,539

it company

Amazon.com	E-commerce	$135.99[1]	2016	268,908	$329.7	Seattle, WA, USA	[2]
2		Alphabet Inc.	Search	$90.27	2016	61,814	$634.68	Mountain View, California, USA	[3]
3		JD.com	E-commerce	$37.5	2016	122,105	$42.46	Beijing, China	[4]
4		Facebook	Social	$27.64	2016	12,691	$332.1	Menlo Park, CA, USA	[5]
5		Tencent	Social	$21.90	2016	25,517	$194.4	Shenzhen, Guangdong, China	[6]
6		Alibaba	E-commerce	$15.69	2016	26,000	$204.8	Hangzhou, Zhejiang, China	[7]
7		Priceline Group	Travel	$10.74[8]	2016	15,500[9]	$63.83	Norwalk, CT, USA	[10]
8		Baidu	Search	$10.16[11]	2016	41,467	$62.27	Beijing, China	[12]
9		eBay	E-commerce	$8.98	2016	34,600	$26.98	San Jose, CA, USA	[13]
10		Netflix	Entertainment	$8.83	2016	3,500	$41.89	Los Gatos, CA, USA	[14]
11		Expedia,Inc.	Travel	$8.77	2016	18,000	$16.61	Bellevue, Washington, USA	[15]
12		Salesforce.com	Cloud computing	$8.39	2017	25,187	$47.89	San Francisco, CA, USA	[16]
13		Uber	E-commerce	$6.5[17]	2016	6,800	$68	San Francisco, California, United States	[citation needed]
14		Rakuten	E-commerce	$6.3	2015	12,981	$13.06	Tokyo, Japan	[18]
15		ODIGEO	Travel	$4.9	2015	1,700	$0.22	Barcelona, Spain	[19]
16		NetEase	Social	$3.63	2015	12,919	$22.65	Guangzhou, Guangdong, China	[20]
17		Zalando	E-commerce	$3.28	2015	10,000	$8.7	Berlin, Germany	[21]
18		Groupon	E-commerce	$3.1	2015	10,000	$1.96	Chicago, Illinois, USA	[22]
19		Twitter	Social	$2.22	2015	3,638	$10.20	San Francisco, CA, USA	[23]
20		Naver Corporation	Search	$2.2	2013	2,501	$16.15	Seoul, South Korea	[citation needed]
21		Cimpress	Mass Customization	$1.78	2016	8,000	$2.7	Venlo, Netherlands	[24]
22		Airbnb	Travel	$1.7	2016	3,100	?	San Francisco, California, USA	[25]
23		Flipkart	E-Commerce	$1.7	2015	35,000	$9.39	Bangalore, Karnataka, India	[26]
24		TripAdvisor	Travel	$1.5	2015	2,793	$8.55	Needham, Massachusetts,USA	[27]
25		ASOS.com	E-Commerce	$1.40	2014	7,500	$4.8	London, UK	[28]
26		Yandex	Search	$0.9	2014	5,514	$6.15	Moscow, Russia	[29]

See also[edit]