heavy-duty hand cutting torches and accessories - TCT

Transcripción

Page 1
Version no.: V0 - 090902
Torch Cutting Technology, S.L.; Poligono Industrial „El Campillo“, nave n° 14y15, ES-48509 Gallarta, Spain
HEAVY-DUTY HAND CUTTING TORCHES
AND
ACCESSORIES
Torch Cutting Technology, S.L
Poligono Industrial “El Campillo”
Nave n° 14 – 15
48509 Gallarta (Vizcaya), SPAIN
TAX CODE: ESB95560900
Commercial Registry Vizcaya BI54102
Fax: +34 946363555
Phone: +43 650 4737852
email: [email protected]
http://www.tct-sl.com
Banco Español de Crédito,S.A
Account no.: 0030 7143 66 0000556271
IBAN: ES70 0030 7143 66 0000556271
BIC: ESPCESMMXXX
Page 2
Heavy-Duty Hand Cutting Torch HCT 663:
With lever-operated valve for cutting oxygen, for cutting duties involving high thermal loads on slabs, ingots,
billets, steel castings and forgings comprising non-alloy and low-alloy steels, and also for cutting up steel
scrap.
Cutting range with propane, methane (natural gas), town gas up to 600 mm with NZ16BMCD nozzle.
Hose connections as per EN 560: Oxygen G1/2”
Fuel gas G3/8”-LH
HCT 663 with angled torch head
HCT 663 with straight torch head
Hand Cutting Torch HCT 663
Overall length
Art. No.
Version with angled torch head
1.500 mm
2.000 mm
2.500 mm
3.000 mm
9MH10015
9MH10020
9MH10025
9MH10030
Version with straight torch head
1.500 mm
2.000 mm
2.500 mm
3.000 mm
9MH20015
9MH20020
9MH20025
9MH20030
Torch Cutting Nozzles
Cutting range
Art. No.
Block mixing nozzle type:
Cutting nozzle NZ13BMCD
Cutting nozzle NZ16BMCD
50 - 300 mm
50 - 600 mm
NZ13BMCD
NZ16BMCD
Post mixing nozzle type:
Cutting nozzle NZ13PMCD
50 - 300 mm
50 - 400 mm
50 - 600 mm
NZ13PMCD
NZ14PMCD
NZ16PMCD
Nave n° 14 – 15
Fax: +34 946363555
Phone: +43 650 4737852
Account no.: 0030 7143 66 0000556271
IBAN: ES70 0030 7143 66 0000556271
BIC: ESPCESMMXXX
Page 3
Torch head with skid attachment HCT 663
Torch head with torch carriage HCT 663
Accessories
Art. No.
Torch Carriage HCT 663
Skid Attachment HCT 663
Attachment Screw HCT 663
9MA00001
9MA00002
9MA00003
Hand cutting torch for iron powder cutting:
Iron powder feeding system HCT 663, for cutting of stainless steel, high
alloyed steel grades and casted iron.
Accessories
Art. No.
Powder pipe complete, length 725 mm
Powder valve
Cutting nozzle attachment screw
Powder nozzle for straight cut
Nave n° 14 – 15
Powder valve
9MA00004
9MA00005
9MA00006
9MA00007
Fax: +34 946363555
Phone: +43 650 4737852
Account no.: 0030 7143 66 0000556271
IBAN: ES70 0030 7143 66 0000556271
BIC: ESPCESMMXXX
Page 4
Gas control station:
Description
Art. No.
Gas control station
9MRH0001
Medium:
Consumption max.
[m³N/h]
Operating pressure max.
[bar]
Propan
Natural gas
Oxygen
4*
20*
130*
5
5
16
*) Calculated for Block cutting nozzle NZ16BMCD, cutting range up to 600 mm
(Consumption data acc. DIN 1945)
Separate hose lines:
Description
Art. No.
Hose Oxygen G1/2” x 20000 x G1/2” – DN12,5
Hose Fuel Gas G3/8”-LH x 20000 x G3/8”-LH – DN10
Nave n° 14 – 15
Fax: +34 946363555
Phone: +43 650 4737852
5H331200
5H322200
Account no.: 0030 7143 66 0000556271
IBAN: ES70 0030 7143 66 0000556271
BIC: ESPCESMMXXX
Page 5
Take-up reel with double hose set:
Description
Art. No.
Take-up reel 20 m hose line; Fuel Gas G3/8”-LH & Oxygen G1/2”
Hose Oxygen G1/2” x 2000 x G1/2” – DN12,5 (connection to gas station)
Hose Fuel Gas G3/8”-LH x 2000 x G3/8”-LH – DN10 (connection to gas
station)
9CT00200
5H331020
5H322020
Iron powder container IPC75H1W (incl. wheels for transport):
Description
Art. No.
Iron powder container IPC75H1W
Hose Iron Powder G1/4” x 15000 x G1/4” – 10 x 1,86
Hose Compressed Air G3/8” x 5000 x G3/8” – DN10
Iron powder GRISINIT (20 kg bag)
Nave n° 14 – 15
Fax: +34 946363555
Phone: +43 650 4737852
PE21HW00
5H415150
5H324050
9MA00008
Account no.: 0030 7143 66 0000556271
IBAN: ES70 0030 7143 66 0000556271
BIC: ESPCESMMXXX
Page 6
ACCIDENT PREVENTION - SAFETY REGULATIONS
The use is required to observe strictly the regulations that exist both in his country and within his
company with regard to the operation of machinery and the use of oxygen, fuel gas, compressed air,
water and electricity.
The following remarks represent a summary of the safety regulations. It is stressed that the user is obliged to
comply with all relevant regulations in their entirety.
Oxygen
Oxygen is an odourless, tasteless, colourless gas that is heavier than air; it lowers the ignition temperature
and promotes combustion.
All components that come into contact with oxygen must be kept free from oil and grease. (Examples:
pipes, hoses, fittings, hand cutting torches, cutting nozzles, tools, rags, clothing, hands).
Fuel gases
Fuel gases are poisonous and flammable. Mixtures with air or oxygen are explosive.
Personnel
Persons who operate or maintain cutting equipment must be fully trained and experienced in handling oxygen
and fuel gases.
Instruction
Employees are to be instructed of the hazards and safety regulations. Instructions must be repeated
periodically.
Eye protection
Suitable types of eye protection with protective lenses that comply with safety standard specifications, e.g.
goggles or face shields, must be worn to protect against sparks, heat, visible and invisible radiation.
Maintenance and repairs
All responsible persons and departments must be informed before carrying out maintenance and
repair work.
Nave n° 14 – 15
Fax: +34 946363555
Phone: +43 650 4737852
Account no.: 0030 7143 66 0000556271
IBAN: ES70 0030 7143 66 0000556271
BIC: ESPCESMMXXX
Page 7
Unauthorized persons
Unauthorized persons are not permitted in the vicinity of the cutting area, the torch cutting machine, its
controls or the operator’s cabin.
Idle times
During periods when the hand cutting torch is not in operation or work is interrupted temporarily the main fuel
gas and oxygen valves must be closed.
Noise protection
Due to the economic performance heavy duty hand cutting torches have a noise level of more than 90 db(A)
up to 110 db(A), according to use. At the operator’s position the necessary measures must be taken, and
protection must be provided by the user. These are so-called secondary measures.
Nave n° 14 – 15
Fax: +34 946363555
Phone: +43 650 4737852
Account no.: 0030 7143 66 0000556271
IBAN: ES70 0030 7143 66 0000556271
BIC: ESPCESMMXXX
Page 8
CUTTABILITY OF STEEL GRADES
The alloy components of steel influence the cuttability and cutting speed as follows:
Carbon (C)
All carbon steels up to approx. 1,6 % can be cut in the conventional flame cutting process, i.e. without
additional fuel gas or iron powder. Steel grades must be preheated in order to prevent cracking where the
carbon content exceeds approx. 0,3 % (see also section *Carbon Equivalent*).
Other alloy components
Conventional flame cutting, i.e. without the use of iron powder, is possible on steel grades which contain the
following alloy components:
Alloy
component
Maximum
content [%]
C
 1,6
if C  0,3 % preheat to prevent
cracking
Si
Mn
 2,5
 13,0
with max. 0,2 % C
and 1,3 % C
 1,3
with pure manganese steels
Cr
 1,5
without Ni-contents
W
 10,0
with max. 0,5 % Cr
0,2% Ni, 0,8 % C
Ni
 7,0
 35,0
Cu
Nave n° 14 – 15
Remarks
if C  0,3 %
 0,7
Fax: +34 946363555
Phone: +43 650 4737852
Account no.: 0030 7143 66 0000556271
IBAN: ES70 0030 7143 66 0000556271
BIC: ESPCESMMXXX
Page 9
C-Equivalent:
The so-called “carbon equivalent“
CEquivalent = C +
Mn Ni Cr Mo V




6 15 5
4
4
gives a guide as to the behaviour of the alloy components by converting them into an approximately equivalent
carbon content.
Where there is any doubt, it is always advisable to perform test cuts.
Where the alloy components account for a high proportion - particularly with Cr and Ni - only the iron powder
flame cutting method can be used.
START - UP
Before start-up of the hand cutting torch the complete plant must be checked under presumption of the
relevant accident prevention regulations. Start-up of the torch is only allowed under strict observation of
these regulations. Special regard must be given to leak-proofness of all armatures and connections.
CAUTION: EXPLOSION HAZARD!
During switch-on of the pilot flame an explosive mixture of fuel gas and air is streaming out from the
nozzle. Pilot torch must be ignited immediately!
Basically the hand cutting torch must be switched on respectively switched off in following sequences:
Switch on:
1. Heating oxygen
2. Fuel gas
3. Cutting oxygen
Switch off:
1. Cutting oxygen
2. Fuel gas
3. Heating oxygen
For safe operation of the torch it is absolutely necessary to install flashback arrestors for fuel gas, heating
oxygen an ignition fuel gas at the flexible hose line outlets.
Nave n° 14 – 15
Fax: +34 946363555
Phone: +43 650 4737852
Account no.: 0030 7143 66 0000556271
IBAN: ES70 0030 7143 66 0000556271
BIC: ESPCESMMXXX
Page 10
MAINTENANCE
Regular, thorough maintenance (e.g. at the beginning of a shift) - related to the frequency of plant using - is
necessary in order to ensure long service life and high cutting performance.
Damaged cutting nozzles are useless; cutting performance will be lost and cutting quality worsens
considerably.
Cleaning of the block cutting nozzle
a) Mechanical cleaning
 Cleaning of nozzle faces:
Minor contaminations at nozzle faces and in direct vicinity of heating bores and of the cutting oxygen channel
can be removed by a soft brass brush
 Cleaning the bore holes:
Free the bore holes form dirt by pushing the corresponding cleaning drill gently inside. If the bore holes are
burred in any way, remove the burring with a fine emery cloth. Do not chamfer the edges under any
circumstances!
Spray cutting nozzles with silicone spray in order to prevent adhesion of slag.
b) Mechanical machining
If the cutting nozzle face is damaged, it is advisable to machine the surface on a lathe. The nozzle can be
shortened several times up to a maximum length of 3 mm.
Check the three-face cone sealing of the cutting nozzle and the torch head. If damages have been caused,
replace cutting nozzle and/or machine cutting torch.
Spray cutting nozzles with silicone spray in order to prevent adhesion of slag.
Further mechanical machining may not be carried out by the user.
c) Important hint for the use of cutting nozzles with cone seals
When exchanging the cutting nozzle, in particular on use of new nozzles, firmly tighten the set screw before
start-up of the torch, in order to make sure that the sealing faces of the cutting nozzle adapt to the sealing
faces of the torch head.
Nave n° 14 – 15
Fax: +34 946363555
Phone: +43 650 4737852
Account no.: 0030 7143 66 0000556271
IBAN: ES70 0030 7143 66 0000556271
BIC: ESPCESMMXXX
Page 11
In case of extreme heat at the cutting nozzle and the torch head and subsequent cooling down it may cause
the cutting nozzle loosen in the torch head and becomes leaky. Therefore, firmly re-tighten the set screw
after first heat loading. For this use also a spanner at the torch head as counter measure.
Inspecting the cutting nozzle
Flame shape:
The heating flame of the post mixing cutting nozzle must burn in the form of a well defined, concentrated jet. It
must not stray to any side.
The single flames of the block mixing cutting nozzle must take the form of a well defined, uniform, elongated
cone and must not flatter or emerge at an angle from the bore holes.
The cutting jet must appear as a distinct, well defined jet within the flame shape.
Checking the torch connections for leak-proofness
Check the torch connections for leaks at regular intervals (approx. every 4 weeks), using a leak detection
agent.
Note:
We request your understanding that we reserve the right to make technical changes at any time to the hand
cutting torches, block cutting nozzles and accessories, compared with the data and illustrations.
Nave n° 14 – 15
Fax: +34 946363555
Phone: +43 650 4737852
Account no.: 0030 7143 66 0000556271
IBAN: ES70 0030 7143 66 0000556271
BIC: ESPCESMMXXX

heavy-duty hand cutting torches and accessories - TCT

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