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Model SG-100 Plasma Spray Gun

Operator’s Manual

Issued:12/10

Page 39

4.2 SG-100 Plasma Gun Spray Parameters

PST
Material

Sulzer Metco
Material

Composition

Size

Anode

Cathode

Injector

Current

Gun V

Primary

Gas

Primary

Gas Flow

Secondary

Gas

Secondary

Gas Flow

Carrier

Powder Feed

Standoff

µm

scfh

g/min

(+/-25)

(+/-2)

(+/- 10-15%)

(+/-0.5")

NI-970 / 109

450NS

95Ni-5Al

-106+45

2083-730

3083-129

3083-112

800

8-11

2.5-3.5

or AI-1037

3083-175

3083-129

3083-112

375-425

112

3.3

8-11

3-4

ZrO 271

204NS

ZrO

-8YO

-150+45

2083-730

1083A-720

3083-112

900

8-11

2.5-3.5

3083-175

1083A-720

3083-112

450

104

2-3

8-11

3.5-4.5

AL-104 54FNS

-90+45

2083-484

3083-129

3083-112 375 30

120 He 46.8 8-11 42

3-4

2083-730

1083A-720

3083-112

375

153

8-11

3-4

ALO-105-1 101SF

-3TiO

3083-175

3083-129

3083-112

500-600

104

8-11

3-4

ALO-159 101BNS

-3TiO

-106+45

3083-175

3083-129

3083-112

550-600

104

8-11

3-4

410 NS

-NiAl ( 70/30)

-106+45

3083-175

3083-129

3083-112

450

104

8-11

3-4

CO-105/285-2 45CNS

Alloy

-90+45 2083-730

1083A-720

3083-112

800

104

8-11

3-4

CO-103

Alloy 31

-45+5

3083-175

1083A-720

3083-112

400

38-40

104

8-11

3-4

CO-109 66FNS

T-400

-45+10

2083-730

1083A-720

3083-112 700 36-38

Ar 120 He 43 8-11

3-4

3083-175

1083A-720

3083-112

300-400

38-40

104

8-11

3-4

CO-111 68FNS

T-800

-75+10

2083-730

1083A-720

3083-112 800 38-40

Ar 104 He 43 8-11 23-30 4-5

3083-175

1083A-720

3083-112

400-500

38-40

104

8-11

23-30

4-5

CRC-106

Mach II

81FNS Cr

-25NiCr -45+5

2083-100

1083A-104

3083-110

800-900

75-80

267

20-24

4-5

Mach I

2083-155

1083A-112

3083-112

500

150

8-11

2.5-3.5

CRC-108 81NS

-106+45

3083-175

1083A-720

3083-113

1000

8-11

2.5-3.5

3083-175

1083A-720

3083-112

350-400

104

3.3

8-11

30-38

3-4

WC 106

71 VFNS

WC-12Co

-45+5

2083-155

1083A-112

3083-113

750

115

3.8

8-11

3-4

CU-103 57NS

Cu-38Ni

-75+45

2083-484

3083-129

3083-112

350-400

36-38

Ar 120 He 61 8-11 23-30 3-4

2083-484

3083-129

3083-112

400

120

3.3

8-11

3-4

CU-104 51NS

Cu-10Al-1.1Fe

-53+5

2083-484

3083-129

3083-112 350-400

36-38 Ar 145 He

8-11

15-23

3-4

3083-484

1083A-720

3083-112

350-400

39-40

153

3.3

8-11

15-23

3-4

601NS

Al-40 Polyester

2083-155

1083A-112

3083-113

850-950

8-11

31 (External)

3-4

NI-122 443NS NiCr-6Al

-125+5

2083-730

1083A-720

3083-112

790-810

35-38

104 He 43 8-11 38-53 3-4

2083-730

1083A-720

3083-112

375-425

40-45

104

3.3

8-11

21-27

3-4

NI-164/211 Amdry

962

NiCrAlY

-106+53

2083-730 1083A-720 3083-112

800

38-40 Ar

104

8-11

23-30

3-4

3083-175

3083-129

3083-112

350-400

38-40

104

2.3-2.8

8-11

28-38

3-4

NI-202-1

Alloy 718

-90+45

2083-730

1083A-720

3083-112

800

38-40

104

8-11

23-30

3-4

3083-175

1083A-720

3083-112

400-500

38-40

104

2-3

8-11

3-4

WC-114 72FNS

WC-12Co

-45+5

2083-358

1083A-112

3083-112 600-700

38-40

Ar 104 He 40 8-11 23-27

3-4

2083-155

1083A-112

3083-113

750

115

3.8

8-11

3-4

Содержание SG-100

Страница 1: ...Revision H Issued 12 11 Model SG 100 Plasma Spray Gun Operator s Manual Manual Part Number 05001760 ...

Страница 2: ...108 EC EN 60974 10 2003 CISPR 11 1997 5 1 2 Table 2A CISPR 11 1997 5 2 2 Table 3 EN60974 10 2003 EN 61000 4 2 1995 A1 1998 A2 2001 EN 61000 4 4 2004 EN 61000 4 6 1996 A1 2001 EN 61000 4 11 2004 Machinery Directive s 2006 42 EC EU Low Voltage Directive s 2006 95 EC EN 60204 1 2006 We hereby declare that the equipment specified above conforms to the above directive s and standard s Signature Full Na...

Страница 3: ...sions of the manual Praxair Surface Technologies reserves the right to make improvements and or changes to the product s and or programs described in this manual at any time and without notice Illustrations are meant to be representative of but not exact duplicates of existing equipment BUSINESS CONFIDENTIAL THIS MANUAL CONTAINS CONFIDENTIAL AND PROPRIETARY INFORMATION OF PRAXAIR SURFACE TECHNOLOG...

Страница 4: ...ng safe practices Be safe Learn the recommended procedures and standards Failure to follow recommended procedures and standards can result in severe injury to people and damage to equipment Who should use Thermal Spray Equipment Use the equipment only if you have been trained fully in safely using it Do not allow untrained persons to install operate or maintain the equipment Understand what to do ...

Страница 5: ...ribed in section 1 and in highlighted paragraphs throughout this guide Operating instructions see section 4 Technical bulletins included with or referred to in this manual This includes industry publications that contain standards that may apply to your work See page vi of this guide for a list of industry publications Labels tags other instructions and warnings that come with or are attached to t...

Страница 6: ...ng Praxair Surface Technologies RECOMMENDS A procedure or setting that will produce optimum results Information that can help to operate the equipment more effectively Refer to the manual before doing any maintenance Wear respirator Risk of eye injury Eye protection required Wear opaque eye protection Wear protective clothing gloves Wear hearing protection Pressure Relief WARNING This device is de...

Страница 7: ...eder feed lines and fittings There is a possibility of static electricity discharge from the powder feed system which could result in significant discomfort or injury HAZARD Hazards that can result in minor or major damage to equipment bodily injury to people and how to prevent such hazards EXPLOSION HAZARD ELECTRIC SHOCK HAZARD FIRE HAZARD HIGH TEMPERATURE HAZARD ELECTROMAGNETIC FIELDS HAZARD LIG...

Страница 8: ... industry Occupational Safety and Health Act Standards 29CFR 1910 available from the Superintendent of Documents U S Government Printing Office Ventilation Occupational Safety and Health Standard OSHA 1910 94 available from the Occupational Safety and Health Administration Safety in Welding and Cutting AWS ANSI Z49 1 available from the American Welding Society Environmental Health and Safety Guide...

Страница 9: ...ty Safety Release Device Standards Cylinders for Compressed Gases CGA Pamphlet S1 1 1963 and 1965 and S1 2 1963 available from the Compressed Gas Association Power and Process Piping Package ANSI B31 1 available from the American National Standards Institute Acetylene CGA Pamphlet G 1 available from the Compressed Gas Association NFPA 51Standard for the Design and Installation of Oxygen Fuel Gas S...

Страница 10: ...Blast Machine 7 1 4 7 Handling and Manipulating Equipment 7 1 5 Protecting Workers 8 1 5 1 Eye Protection 8 1 5 2 Respiratory Protection 9 1 5 3 Noise Protection 10 1 5 3 1 Noise and Noise Level 10 1 5 3 2 Noise Duration 11 1 5 3 3 Hearing Protection 12 1 5 4 Protective Clothing 14 1 5 5 Confined Spaces 15 1 5 5 1 Rapid Emergency Exit 15 1 5 5 2 Factors to Consider 15 1 6 Toxic Material 18 1 6 1 B...

Страница 11: ...s 32 C 2 Grit Blasting 32 C 3 Masking 33 D Arc Gas Recommendations 33 E Proper Operating Parameters 34 F Powder Injection 35 G Powder Pulsing 35 G 1 Hose Dress 35 G 2 Gas Leaks 35 G 3 Feeder Main Bearing 35 G 4 Shaft Coupling 36 G 5 Static 36 G 6 Powder Tube 36 G 7 Powder Tube O ring 37 G 8 Carrier Gas Flow 37 G 9 Tamper Assembly 37 G 10 Wet Powder 37 G 11 Improperly Sized Powder 37 G 12 O ring Lu...

Страница 12: ... 100 Gun Reassembly 47 Section 6 Parts List 49 6 1 SG 100 Plasma Spray gun Assembly 49 Figure 6 1 SG 100 Plasma Spray Gun Assembly 50 SG 100 Plasma Spray Gun Assembly Parts List 51 6 2 SG 100 Electrode Gas Injector Configurations 52 Standard Hardware non vortex 52 Subsonic Optional Hardware 52 Mach I Optional Hardware 53 Mach II Optional Hardware 53 6 3 Optional Items 54 6 4 SG 100 Hoses and Cable...

Страница 13: ...ndling Relevant safety standards 1 1 Reminder Safety First Thermal spraying equipment is very powerful Do not use equipment carelessly or without observing safe practices Be safe Learn the recommended procedures and standards Failure to follow recommended procedures and standards can result in severe damage to equipment and injury to people Use the equipment only if you have been trained fully in ...

Страница 14: ...oubleshooting of thermal spray equipment requires practices and procedures that ensure personal safety and the safety of others Therefore this equipment is to be installed operated and maintained by qualified persons as specified in this manual and in accordance with all applicable codes such as but not limited to those listed in section 1 and the corresponding sections of the manual You should th...

Страница 15: ...ilation in spray booths Install a cartridge type dry dust collection system to collect spray dust 1 4 Safe Operating Conditions 1 4 1 Compressed Gas Cylinders Always comply with local state municipal and federal regulations regarding compressed gas cylinder storage and follow recommendations in ANSI AWS Z49 1 Safety in Welding and Cutting CGA Pamphlet P 1 Safe Handling of Compressed Gases NFPA 55 ...

Страница 16: ...s and ensure proper flame balance by installing backflow prevention devices in conjunction with the flow meters Place a protective shield on flow meters with glass tubes Install and use hose and hose connections according to ANSI AWS Z49 1 and the Specification for Rubber Welding Hose published by the Rubber Manufacturer s Association and the CGA Handle hoses carefully to avoid damage Use hoses on...

Страница 17: ...ent and correct the condition before restarting the system EXPLOSION HAZARD Acetylene pressures exceeding 15 psi 1 03 bar may cause the gas to detonate If this pressure of 15 psi 1 03 bar is insufficient use another fuel gas 1 4 3 Compressed Air Always refer to gases by their proper names to avoid confusion Never use compressed air oxygen or fuel gas to clean clothing For thermal spraying or blast...

Страница 18: ...nt an electrical hazard Train operators how to use the equipment safely before they actually use it Specifically ensure that operators know and understand all the operating and safety recommendations in the operator manuals Always observe standard safety precautions for electrical equipment and operate in accordance with ANSI AWS Z49 1 Frequently clean arc guns and power supplies to prevent metal ...

Страница 19: ...that can lead to a blowout at those points If hoses must be curved around an object use long radius curves Store blast hoses in cool dry areas Be sure blast hose controls function properly They should require continuous pressure on the activating lever for operation Releasing the lever should cause the system to shut off dead man control PERSONAL INJURY NEVER point a blast nozzle at a person Most ...

Страница 20: ...s with suitable eye protection as well Equip the eye protection with a suitable filter plate to protect against ultraviolet infrared and intense visible light radiation see Table 1 1 Table 1 1 Eye Protection Operation Required Type of Eye Protection Wire Flame Spraying except Molybdenum Shades 2 4 Molybdenum Wire Spraying Shades 3 6 Flame Spraying of Metal Powder Shades 3 6 Flame Spraying of Exoth...

Страница 21: ...rebounding abrasive material Minimum air flow to the respirator should be 4 CFM 113 3 L minute at the face piece and 6 CFM 170 L minute entering the helmet or hood Fresh air blowers are preferred to compressed air as an air source of respirator air If adequate ventilation is not provided use an in line vortex cooler when possible for operator comfort Filter the air supply line to remove objectiona...

Страница 22: ...ions OSHA also requires employees to comply with all rules regulations and orders that apply to their actions and conduct OSHA does not provide thermal spraying specific rules but establishes general rules for the control of unsafe and unhealthy elements 1 5 3 1 Noise and Noise Level Noise is an unneeded and objectionable sound Excess noise reduces productivity slows reaction times and causes tens...

Страница 23: ...acity Acetylene w spray booth w spray both airjet cooling 94 111 Wire Combustion Guns 1 8 3 16 inch 3 2 4 8 mm Acetylene Propane Propane nonload hardware Methylacetylene propadiene gas 114 118 125 118 Plasma gun Nitrogen 600 A Nitrogen Hydrogen 600 A Argon 1000 A Argon Hydrogen 600 A Argon Helium 600 A Argon Nitrogen 1000 A 134 133 128 133 127 131 HVOF Oxygen plus kerosene 126 Grit blasting Equipm...

Страница 24: ...1 5 3 3 Hearing Protection If noise at your site exceeds the limits established by OSHA in paragraph 1910 95 entitled Occupational Noise Exposure of the Occupational Safety and Health Standards you should provide ear and or other protection to everyone near thermal spray operations to bring the exposure within OSHA permissible tolerable noise levels Limit workers exposure to noise according to fed...

Страница 25: ...ntrols are being established Mufflers on thermal spray equipment are impractical and ineffective Simple baffles between the gun and nearby personnel are not effective because noise scatters around the baffle Specially designed sound absorbing materials provide a 5 dB reduction to adjacent areas Sound absorbing materials on walls and hanging baffles can reduce nearby levels but do not solve the pro...

Страница 26: ... keep the exposure of any one person within limits Spraying outside of regular plant hours can control exposure of persons near the operation Also rotate personnel assignments in the vicinity of the thermal spraying operation to control exposure 1 5 4 Protective Clothing When working in confined spaces wear flame resistant clothing and leather or rubber gauntlet gloves Clothing should fit snugly a...

Страница 27: ... spaces Review AWS F3 2 Recommended Safe Practices for the Preparation for Welding and Cutting of Containers and Piping That Have Held Hazardous Substances if the confined space previously held combustible materials Work in confined spaces requires ventilation See the standards referred to in Compressed Gas Cylinders in section 1 4 1 of this manual for ventilation requirements When you are thermal...

Страница 28: ... incidental to general operations apply local exhaust ventilation to the spray areas to prevent contamination of the general work area Carefully maintain individual respiratory protective devices Clean and disinfect devices before transferring them between employees see ANSI Z88 2 Provide mechanical ventilation for operations not performed in the open or in a properly designed and ventilated room ...

Страница 29: ...ACGIH Blasting Rooms Design and maintain separate rooms for grit blasting and thermal spraying Design of a blasting room should include adequate lighting and a dry cartridge type ventilation system having ventilation down draft and longitudinal air flow at a velocity of at least 80 to 100 feet minute 0 4 to 0 5 m s Thoroughly investigate local state and federal regulations before exhausting direct...

Страница 30: ...o prevent accumulation of dust or fumes in the system NEVER weld or cut while repairing any ventilation or dust collecting equipment unless the equipment has been thoroughly cleaned 1 6 Toxic Material PERSONAL INJURY HAZARD Almost any material in finely divided form can damage the respiratory system Damage is often not sensed immediately Take care to keep floors work benches and booths free of dus...

Страница 31: ... thirst In the case of zinc oxide the effect has been known as brass founder s ague brass chills zinc fever or metal fume fever Temporary short term immunity can be developed Prevention consists of adequate ventilation and proper respirators see Respiratory Protection in section 1 5 2 and Confined Spaces in section 1 5 5 Preclude from the work any operators with pulmonary disease or those who cont...

Страница 32: ...centration of toxic material allowed Conduct air sampling to determine the ventilation requirements for operations involving the previously listed materials When less toxic metals are sprayed the concentration of dust or fumes in the work area must not exceed the TLV for eight hour exposure Provide respiratory protection devices and exhaust ventilation when the dust or fume concentration is suffic...

Страница 33: ...athode and an orifice nozzle in a copper anode operates on direct current from a rectifier type power supply A central control unit regulates electric power plasma gas flow and cooling water and sequences these parameters to initiate the process with precision and reliability The type of nozzle arc current ratio of the primary and secondary gases and the gas flow rate control the heat content temp...

Страница 34: ...xibility the SG 100 gun can be converted into a Model 2086A Mini Gun II or a Model 2700 Mini Gun III with a 12 or 24 inch extension Both can be used as internal diameter sprayers The SG 100 gun operates at a maximum power level of 100 KW and has interchangeable water cooled self aligning electrodes for multi mode operation 2 3 Water Cooling Requirements Figure 2 3 shows the water pressure water fl...

Страница 35: ...l _____________________________________________________________________________________________________________________ Issued 12 11 Page 23 Figure 2 3 Conditions Standard Hoses Cables and Hi Frequency Arc Starter A Model 3202 Pump B Heat Exchanger ...

Страница 36: ... attach to the end of the powder hose to split the powder stream Two short hoses are also required to connect the splitter to the gun P N 601215 1 D External Powder Injection Adapter The SG 100 is designed for internal powder injection However both internal ports can be plugged and an external powder injection kit P N 800802 can be used for spraying of powders with low melting point temperatures a...

Страница 37: ...tion The SG 100 gun must be installed onto a secure structure such as a robot arm X Y manipulator or lathe using one of the available optional brackets WARNING ELECTRIC SHOCK can kill Do not touch live electrical parts The gun is electrically live while the power source is ON approx 32 VDC Never touch the plasma gun while it is in operation Shut down unit and disconnect input power and employ lock...

Страница 38: ...onnect red Positive power cable to the external 3 4 fitting bottom of gun Tighten securely 3 Connect black Negative cable to the central 3 4 fitting on gun back Tighten securely 4 Connect Plasma Arc Gas In hose to 3 8 Gas In fitting on gun back Tighten securely 5 Connect Powder In hose to 3 8 fitting on curved powder tube Tighten securely 3 3 SG 100 AIR JET Optional The SG 100 Air Jet Part No 0500...

Страница 39: ...c instruments in its vicinity Persons with heart pacemakers should avoid proximity to the plasma gun while it is operating HIGH TEMPERATURE HAZARD The temperature of the plasma gun reaches up to 20 000 C The plasma plume radiates much of this heat and therefore can heat objects e g spray room walls hoses and cables etc to high temperatures and cause them to catch fire or cause burns if touched LIG...

Страница 40: ... the fitting as this will cause the back insulator to crack 3 4 1 4 Turn on the cooling water system and set the water flow to give a minimum of 6 gpm 22 7 L min 3 4 1 5 Initiate the arc gas flow and set the regulator to give 60 psi 120 SCFH 4 1 bar 56 6 L min 3 4 1 6 Check for water leaks Do not continue if leaks are present 3 4 2 Unit Test 3 4 2 1 Energize the power supply 3 4 2 2 Set for 700 am...

Страница 41: ...nly use non conductive brackets supplied by the manufacturer for machine mounting of SG 100 gun ELECTROMAGNETIC FIELDS HAZARD A plasma gun creates electro magnetic fields which could adversely affect the operation of electronic instruments in its vicinity Persons with heart pacemakers should avoid proximity to the plasma gun while it is operating HIGH TEMPERATURE HAZARD The temperature of the plas...

Страница 42: ...en insert P N 02083 730T2 will extend anode life when using Helium or Hydrogen as the secondary gas See Section 6 2 for alternative configurations for the SG 100 gun The SG 100 comes with one powder tube assembly P N 5004378 The powder tube can be installed on either side of the gun or a second powder tube can be used for dual radial injection Should only one powder tube be needed a powder tube pl...

Страница 43: ...e melting characteristics and particle sizes of the range of powders to be sprayed This flexibility enables proper heating of the powder preventing the deposition of unmelted powder or the vaporization of fine particulate Each coating material requires a different electrode set to obtain the desired coating characteristics e g density or adhesion B Powder Sprayability Most powders that have a defi...

Страница 44: ...it Blasting Grit blasting is the most common method of surface roughening for preparation of surfaces to be coated A surface roughness range of 125 to 400 RMS is recommended The appropriate roughness is determined primarily by substrate and coating thicknesses Roughness needs to be accomplished without distortion of the part to be coated Aluminum oxide grit in the mesh ranges of 10 30 14 40 and 30...

Страница 45: ...glass tape has proven successful in many applications where lower coating and substrate temperatures can be maintained Teflon impregnated glass tape has proven successful in applications with higher substrate temperatures In either case tapes using silicone mastic are less prone to degradation during spraying Both tooling and a resilient tape have proven satisfactory for masking purposes for grit ...

Страница 46: ...he total gas flow through the plasma gun Gas flow determines velocity which in turn determines particle dwell time time the particle is resident in the plasma stream Powder particle velocity at the time of impact is governed primarily by total plasma gas flow and particle size and density The plasma gun is primarily an electrical device Increasing electrical power input normally results in an incr...

Страница 47: ...eptionally consistent feeding mechanisms for a wide range of particle sizes The optimum powder feed condition is reached when most of the powder injected into the plasma stream is carried along its axis G Powder Pulsing Pulsing is defined as inconsistent powder feed into the spray process and is usually observed as surging in the spray stream Pulsing affects application consistency and reduces app...

Страница 48: ...he worst season for static Nonconductive materials such as ceramics and polymers aggravate the problem Powder hose Part No 0985 4 12AS can help prevent static Or loosely spiral wrap a small bare copper wire around the hose from the hopper to hose connection to a point two inches behind the gun The copper wire drains the static charge Take great care that the copper wire does not touch the gun as t...

Страница 49: ...re resulting in erratic feeding and in worst cases severe pulsing Store powders properly preferably in an oven and use the hopper heater blanket to help prevent wet powder problems Typical blanket temperatures are lower than 125 F 52 C G 11 Improperly Sized Powder Thermal spraying powder should be monomodal normally distributed and narrowly distributed Powders that do not exhibit a normal distribu...

Страница 50: ...ly a traverse speed of about 1200 in min 0 5 m sec is a good rule of thumb Proper traverse speed creates deposits of approximately 001 in 25 4 µm pass for metallic and coarse materials and 0005 in 127 µm pass for ceramic and fine materials Following these guidelines decreases residual stress hence bond strength is increased increases thickness buildup and decreases porosity Adjust traverse to obta...

Страница 51: ... 2083 730 1083A 720 3083 112 800 38 40 Ar 104 He 43 8 11 23 30 4 5 3083 175 1083A 720 3083 112 400 500 38 40 Ar 104 H2 3 8 11 23 30 4 5 CRC 106 Mach II 81FNS Cr3C2 25NiCr 45 5 2083 100 1083A 104 3083 110 800 900 75 80 Ar 267 He 93 20 24 25 4 5 Mach I 2083 155 1083A 112 3083 112 500 45 Ar 150 H2 6 8 11 10 2 5 3 5 CRC 108 81NS Cr3C2 106 45 3083 175 1083A 720 3083 113 1000 29 Ar 82 He 55 8 11 20 2 5 ...

Страница 52: ...Model SG 100 Plasma Spray Gun Operator s Manual Issued 12 10 Page 40 Notes ...

Страница 53: ...ult of gas supply leaks or contaminated gases will affect the ability of the RF to initiate the plasma It is necessary to keep plasma gas distribution systems free of leaks This is best accomplished through scheduled inspections leak checks and maintenance Generally plasma gases should contain less than 50 ppm Oxygen For a more comprehensive list of possible plasma arc starting problems caused by ...

Страница 54: ..._________________________ Issued 12 11 Page 42 2 Remove three socket head cap screws item 13 from front cover plate item 1 Remove cover plate from gun body 3 Insert anode removal tool into front housing slot Fig 5 1 4 Tilt tool outward to lift anode from front housing Fig 5 2 Figure 5 1 Anode Removal Tool Insertion Figure 5 2 Anode Removal ...

Страница 55: ...der tube Do not use lubricant on anode O ring 5 When anode protrudes from the gun about 1 4 inch 6 4 mm grasp and remove anode from gun 6 Polish the anode chamber walls with emery cloth Finish polish with steel wool Remove any powder deposits on the nozzle exit 7 Examine powder hole insert if applicable for signs of enlargement due to erosion Anode life depends on operating conditions and the type...

Страница 56: ...in anode face with guide pin on front housing of gun 9 Push anode into place When properly seated the face of the anode will seat flush with the front housing Figure 5 4 SG 100 Gun assembled view 10 Reinstall front cover plate item 1 and secure onto gun with three socket head cap screws item 13 removed in Step 2 11 Reinstall powder tube item 9 and secure onto gun with two socket head cap screws it...

Страница 57: ...onnect power source from input power before inspecting or servicing gun Do not activate gun while performing maintenance HOT SURFACES can burn skin Allow gun to cool before touching MISUSE OF CATHODE REMOVAL TOOL will damage ceramic arc gas injector ring Remove cathode carefully See Figures 5 3 5 5 and remove cathode as follows 1 Remove anode see Section 5 1 2 Insert cathode removal tool through f...

Страница 58: ...ures 5 3 and 5 4 and disassemble SG 100 gun as follows 1 Disconnect all hoses from gun body 2 Remove the gun from the gun mount bracket 3 Remove two socket head cap screws item 12 from powder tube item 9 Remove powder tube 4 Remove three socket head cap screws item 13 from front cover plate item 1 Remove cover plate 5 Remove four socket head cap screws item 14 from front housing item 2 Remove rear...

Страница 59: ...ring item 18 in groove forward to gas injector item 8 Be sure O ring seats properly in groove 3 Be sure O ring item 19 on flange of front housing is properly seated in groove Press insulator housing onto front housing Align water cooled power tube between four tapped mounting holes in insulator housing ELECTRIC SHOCK can kill Do not turn power source ON during test procedure Powder tube can be ins...

Страница 60: ...der tube item 9 into front housing Secure with two socket head cap screws item 12 11 Reinstall gun to mounting bracket 12 Connect red Positive cable and black Negative cable to appropriate connections see Section 3 Tighten securely 13 Connect Plasma Gas In hose to 3 8 in Gas In fitting on gun and tighten securely 14 Turn water pump ON and run water through gun 15 Set primary arc gas pressure to ap...

Страница 61: ...adable state and replace when necessary See parts list for label part numbers 6 1 SG 100 Plasma Spray Gun Assembly Item Part Number Description Quantity 1 02083 730 Anode 1 2 02083 120 Cathode 1 3 03083 112 Gas Injector 1 The above standard set of hardware is recommended for most applications It produces high deposit efficiency with medium porosity level in the coatings Use of the 02083 730 versio...

Страница 62: ...ma Spray Gun Operator s Manual _____________________________________________________________________________________________________________________ Issued 12 11 Page 50 Figure 6 1 SG 100 Plasma Spray Gun Assembly Rev M ...

Страница 63: ...LESS 4 EA 15 2 010S O RING GUN HSG ARC GAS TUBE SEAL 1 EA 16 2 017S O RING CATHODE HOLDER GAS INJECTOR SEAL 1 EA 17 2 022S O RING MIDDLE GUN HSG CATHODE HOLDER SEAL 2 EA 18 2 024S O RING MIDDLE GUN HSG CATHODE HOLDER SEAL 1 EA 19 2 025S O RING FRONT GUN HSG ANODE SEAL 1 EA 20 2 128S O RING FRONT GUN HSG MIDDLE GUN HSG SEAL 1 EA 21 5007095 LABEL SERIAL NUMBER 1 EA 22 5004376 ADAPTER CABLE 987 TO SG...

Страница 64: ..._______________________________________________ Issued 12 11 Page 52 6 2 SG 100 Electrode Gas Injector Configurations Standard Hardware non vortex Optional Subsonic Hardware 03083 145 anode 03083 175 anode 03083 165 anode 03083 113 gas injector 02083 730 anode 02083 120 cathode 03083 112 gas injector 02083 120 cathode ...

Страница 65: ...__________________________________________________________________________ Issued 12 11 Page 53 Mach I Optional Hardware Mach II Optional Hardware 03083 113 gas injector 02083 355 anode 02083 358 anode 02083 155 anode 02083 100 anode 03083 110 gas injector 01083A 112 cathode 01083 104 cathode ...

Страница 66: ...tter P N 5004751 is available to attach to the end of the powder hose to split the powder stream Two short hoses are also required to connect the splitter to the gun P N 601215 1 D External Powder Injection Adapter The SG 100 is designed for internal powder injection However both internal ports can be plugged and an external powder injection kit P N 800802 can be used for spraying of powders with ...

Страница 67: ...ued 12 11 Page 55 6 4 SG 100 Gun Hoses Cables P N DESCRIPTION STANDARD LENGTH FT M 0985 2 L HOSE GAS TO PLASMA GUN 12 3 7 601215 L HOSE POWDER POWDER FEEDER TO PLASMA GUN 15 4 6 0987 7 L CABLE POWER WATER COOLED DC NEGATIVE TO PLASMA GUN 12 3 7 0987 8 L CABLE POWER WATER COOLED DC POSITIVE TO PLASMA GUN 12 3 7 610560 CABLE GUN VOLTAGE SENSING GUN VOLTS 50 15 2 L Length ...

Страница 68: ...Model SG 100 Plasma Spray Gun Operator s Manual _____________________________________________________________________________________________________________________ Issued 12 11 Page 56 Notes ...

Страница 69: ...Praxair Surface Technologies Inc 146 Pembroke Road Concord NH 03301 www praxairsurfacetechnologies com psti info praxair com Telephone 1 603 224 9585 Fax 1 603 225 4342 ...

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