ROMANOFF Yasui K2NEXT 8K Product Manual
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ROMANOFF Yasui K2NEXT 8K Product Manual

Vacuum pressure casting machine
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PRODUCT MANUAL
SINCE 1949
VACUUM PRESSURE CASTING MACHINE
K2NEXT 8K

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Summary of Contents for ROMANOFF Yasui K2NEXT 8K

  • Page 1 PRODUCT MANUAL SINCE 1949 VACUUM PRESSURE CASTING MACHINE K2NEXT 8K...

  • Page 2: Table Of Contents

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW CONTENTS 1. INTRODUCTION ........................5 1-1. SAFETY PRECAUTIONS ....................5 1-2. SAFETY INFOMATION ....................5 1-3. PASSWORD ........................9 1-3-1. KIND OF PASSWORD ....................9 1-3-2. ISSUE OF PASSWORD ...................10 1-4. SPECIFICATION LABEL ....................10 1-5.
  • Page 3 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 6-4-1. CLEANING .......................25 6-4-2. DISASSEMBLING FILTER UNIT ................25 6-4-3. CLEANING FILTER ....................25 6-4-4. REASSEMBLING .....................26 6-4-5. HIGH-DENSITY FILTER ELEMENT 5 micron (option) ..........26 6-5. FILTERS FOR SENSORS ....................27 6-6. SCRAPER ........................27 6-7.
  • Page 4 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 9-6-1. REMOVING FIXATION BOLT FOR TRANSPORTATION ........61 9-6-2. CYLINDER ROD HEAD COVER ................61 9-7. THERMOCOUPLE ......................62 9-8. CALIBRATION (Zero adjustment of pressure sensor) .............63 10. SPECIFICATIONS ......................65 11. PARTS & CONSUMABLES ....................66...

  • Page 5: Introduction

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 1. INTRODUCTION 1-1. SAFETY PRECAUTIONS Three safety precautions are described in this instruction manual to avoid risks on human body during operation. Be sure to read these precautions before using our products. Each meaning as follows;...
  • Page 6 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW WARNING 1. Do not place fingers, hands, a part of body, or an article between lid and melting chamber or between melting chamber and mold chamber when you press START button, Lid will move downwards and mold chamber will move upwards to close with pressure.
  • Page 7 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW CAUTION 1. Do not look into molten metal continuously for a long time. Eyes may suffer eye sight disease. Wear protection glasses. 2. Check that no crack or breakage is observed on crucible, outer crucible, before setting. Do not push crucible body, or metal in crucible, strongly.
  • Page 8 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW IMPORTANT - Be sure to read this instruction manual and fully understand the contents before using it. - The manufacturer shall in no event be liable for any damage resulting from improper use, negligence to follow the warnings and cautions in the instructions manual or the labels on the product, unskillfulness, use of non –...

  • Page 9: Password

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 1-3. PASSWORD 1-3-1. KIND OF PASSWORD Three kinds of password are prepared for the machine as follows. 1) Initial installation password This password is necessary to release operation-lock of the machine at the time of installation. 0:00 a.m.

  • Page 10: Issue Of Password

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW IMPORTANT If you update before the first day of the month to which next monthly calculation starting time belongs, monthly update subtraction counter is decreased by extra one month. Update should be done on or after the first day of the month to which calculation starting day belongs. 3) Final password When this password is entered and verified by the machine normally, the machine can be operated without time-limit.

  • Page 11: Working Conditions

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW products as accessories, and in the manufacture of some other precious metal base and non-ferrous metal products (eyeglasses, apparel business, Japanese accessories, and general industrial parts). Do not try for other purpose. The manufacturer will not take any responsibility if not followed the purpose.

  • Page 12: Nomenclature

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 2. NOMENCLATURE 2-1. MAIN BODY Lid sliding knob Observation window for melting chamber Operation panel Melting chamber lid Melting chamber SET PRESS regulator Observation window EMERGENCY STOP button Mold chamber sliding knob Breaker switch Fixture for shot maker Cover for cylinder rod...

  • Page 13: Rear Panel

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 2-2. REAR PANEL BACKSIDE OF MACHINE COOLING WATER Ar GAS POWER SOUCE VACUUM 2-3. FLASK CHAMBER Protection sheet #14045500 Flask base #14743000 Extention for short flask #14031000 #14880411 Protection sleeve(K2 NEXT) #14880412...

  • Page 14: Melting Chamber

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 2-4. MELTING CHAMBER Thermocouple (K) #14250400 Thermocouple (R) #14230000 Stopper holder ass'y #14740000 Stopper rod #25090410 Guide for metal charge #14754000 Partition #14880302 Support ring for partition #14880301 Ceramic spacer for model 8000 #14880303 Graphite crucible 8000 #25105000 Outer crucible #14755018 O-ring , P200 #28220000...

  • Page 15: Preparation Before Casting

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 3. PREPARATION BEFORE CASTING CAUTION When supplying power and others to this product for the first time after installation, be sure to fully understand and confirm the details about installation described in the separate section. If installed incorrectly, problems on heating, overheating on wiring, control system, gas leakage, and insufficient vacuum may not only affect the casting results, but also may cause serious damage to the product and human body.

  • Page 16: Operation

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 4. OPERATION 4-1. OPERATION PANEL AND OTHERS Control panel Set Press regulator Emergency button Breaker Major operation will be done around this area. MASTER RESET START BUTTON BUTTON BUTTON 4-2. POWER ON Turn knob of BREAKER switch until its white dot is set to ON position.

  • Page 17: Operation

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 4-3. OPERATION AUTOMATIC OPERATION 1) Turn main breaker ON. 2) Push MASTER button. 3) Select memory at main display. 4) Put metal into crucible and close lid. 5) Put mold into chamber and close. 6) Push START button for more than 2 seconds.

  • Page 18: Set Press Regulator

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 4-4. SET PRESS Regulator Turn SET PRESS regulator knob to set the final pressurization value of internal charge tank. Set value is indicated on operation panel. Maximum pressure value of this product is 300 kPa. When you finish turning knob, push knob in to lock.

  • Page 19: Left Side Of Window

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 4-6-1. LEFT SIDE OF WINDOW There is ‘CAST temperature setting’ box on top of this window. 1050 You can change setting during heating by tapping this box to call keyboard. 1050 VAC button in the middle. You can adjust vacuum level by this button.

  • Page 20: Flask

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 5. FLASK 5-1. FLASK COMBINATION O-ring G-65 #28306500 Use of a perforated flask is recommended. Sealing disk #14226600 Position the flask and other accessories in order as the below figure. Flask Protection sheet #14045500 Flask base #14743000 Spacer for 89φ...

  • Page 21: Metal Sealing Disk

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW Flask chamber Protection sleeve Flask base Height of flask Outside diameter of flask 5-2. METAL SEALING DISK Top of the flask is pressed against the bottom of the melting chamber. Then, pressurization and suction are actuated.

  • Page 22: O-Ring Conditions

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW IMPORTANT Wrong fixation of the metal sealing disk with down standing double-annular teeth may greatly affect casting results. Check the below 1 to 4. 1. Check periodically the conditions of the metal sealing disk and the O-ring.

  • Page 23: Correct Placement Of Flask

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 1) Pressure of melting chamber indicates rapid decrease suddenly. 2) Pressure increase is slower than usual at the time of pressurization. 3) Suction speed (after cast start) is slower than usual. 5-4. CORRECT PLACEMENT OF FLASK 1) Buildup of investment powder on either top edge or bottom edge of the flask may result in failure of casting.

  • Page 24: Maintenance

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 6. MAINTENANCE DANGER Be sure to turn BREAKER switch OFF before starting maintenance. Be careful with electric current in some part of this product even when switch turned OFF, unless power supply cable is unplugged from outlet.

  • Page 25: Filters For Chambers

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 6-4. FILTERS FOR CHAMBERS 6-4-1. CLEANING Condition of filter is likely to affect casting results. Check filters after every daily work and clean them as follows. - Cleaning of filter for melting chamber (upper side) depends on amount of zinc contained in Filter element Filter front cap...

  • Page 26: Reassembling

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 6-4-4. REASSEMBLING 1) Take care at the time of reassembling filter element that dust or investment particles shall not enter inside. 2) Clean front and rear caps beforehand. Check that O-ring is put back in place at the time of reassembling.

  • Page 27: Filters For Sensors

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 6-5. FILTERS FOR SENSORS There are two metal mesh filters inside of machine body for protection of pressure sensors on control board. (Pressure in melting chamber and flask chamber) Clean them on a regular basis. 14781994 Two oil mist filters are added in the same room of carbon tray cabinet to avoid clogging up of sensor filters.

  • Page 28: Lubrication

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 3pcs. Cap screw M5x10 Item nr. 14243250 Name : Scraper Assy's Price : Ask us each time for latest price and stock. 6-7. LUBRICATION Lubrication must be done on movable part at fixed intervals. e.g.

  • Page 29: Advanced Operation

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 7. ADVANCED OPERATION 7-1. WINDOWS There are 5 tabs on main window for CAST; ALL LIST, TEMP, SUC, PRESS, OPEN as you see on the right. The initial tab after turning power ON is ALL LIST tab.
  • Page 30 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW ・SUC-U (To set time of communication between two chambers) Suction of melting chamber is carried out during this time. Timer for action of communication valve between suction line of melting chamber and suction line of mold chamber.

  • Page 31: Temp Tab

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 7-1-2. TEMP tab This window is for setting parameters to control casting temperature. ・FLASK-UP TIMING ： Temperature to determine when jack up flask. Range: 3-100 ・CAST ZONE ： Casting is started at this area. Range: 0.0-100 ・CAST KEEP TIME ：...
  • Page 32 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW ・MAX POWER ： Maximum heating power can be controlled in whole range to target. You can combine this function with PID control for much sensitive heating. Range: 0-100 ・MIXING ： Choose MIXING function * Additional information about CAST ZONE and TIME When temperature enters into Casting Zone by heating, casting is started on specified conditions.

  • Page 33: Suc Tab

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 7-1-3. SUC tab This window is mostly for setting VAC level control ・VAC, M-GAS, SUC-U, SUC-L, OXY, POUR are already described. ・OXY ： You have 2 choices when introduce OXY here in this window. AFTER M-GAS is to introduce OXY after M-GAS finished.

  • Page 34: Open Tab

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW ・PRESS ： Press timing as already mentioned. Range: 0.0-100.0 ・PRESS OPEN ： Press open time as already mentioned. Range: 0.0-999.0 ・PRE PRESS ： Time for supplying lower pressure for De-gas. Range: 0.0-999.0 ・DELAY TIME ：...
  • Page 35 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW AFTER MODE 1) It is possible to melt metal temporarily before loading flask. This is effective to protect flasks from metal leaking during melting caused by bad contact of stopper and crucible. It is very effective at stone set casting as well as normal casting which requires stable flask temperature to prevent cooling down by this for better filling up.
  • Page 36 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW Fail safe leak metal saver kit Code: 14880035 - Standard graphite pot + base + fixing bolts 14880034 - Short graphite pot + base + fixing bolts 14880035 - Long graphite pot + base + fixing bolts 9) Factory setting of Protection GAS timer is 100 sec.
  • Page 37 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW FLOW CHART OF CASTING If you press START button in AUTO MODE, casting is automatically started. Check safety and understand this manual before starting actual process. <FLOW CHART FOR STANDARD AUTO MODE ("MOLD-IN BEFORE HEATING" MODE)> [READY] Set flask START button...

  • Page 38: Memory Registration

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW FLOW CHART OF CASTING AFTER MODE Temperature Melting chamber pressure CAST START Flask chamber pressure CAST TEMP START Button START Button CAST TEMP No VAC and M-GAS activated HEAT HEAT POUR PRESS VACM-GAS P-GAS SUC-U...

  • Page 39: Shot Tab

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 4) Tap blank box to put name or comment. SAMPLE 5) Keyboard opens. Type any name you like. RECIPE 6) Tap OK button to close. SAMPLE OTHER tabs There are 5 tabs on CAST window as already described.

  • Page 40: Config Tab

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 7-3. CONFIG tab You have several configuration and other menus in this window. < How to open CONFIG menu window > Tap CONFIG tab to open the window. CONFIG tab < About each icon > MACHINE You can check machine information, set advanced parameter here in this window.
  • Page 41 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW LANGUAGE You can select language here. SECURITY You can edit password and lock recipes. PAYMENT PASSWORD You can enter passwords for Monthly payment here. Only for customers who use this system. DISPLAY You can control suspend timer and brightness.

  • Page 42: Machine

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 7-3-1. MACHINE < How to open MACHINE display > 1) Tap CONFIG tab to open CONFIG menu. 2) Tap MACHINE icon to open MACHINE display. 00000 1.0.19 00000 1.0.10 1.1.04 1.0.8 1) VERSION: Serial number, Firmware version and other information are indicated here. 2) THERMOCOUPLE: You can choose type of thermocouple R or K here**.
  • Page 43 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 1) Tap CONFIG tab to open CONFIG menu. 2) Tap COPY/CLEAR icon to open COPY/CLEAR window. 1） 2） 3） 4） 5） < How to copy and delete ＞ 1) Several copy ： Copy one recipe to several recipe numbers. 2) Single copy ：...
  • Page 44 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 6) Worklog file has been saved in the USB flash drive. Parameters of K2NEXT 8000 Preset at Factory MEMORY NO. Other parameters 30 sec. 60 sec. 7 : 43 : 10 M-GAS 8 sec.

  • Page 45: Counter

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 7-3-3. COUNTER * It is not possible to edit counter. < How to open COUNTER window > 1) Tap CONFIG tab to open CONFIG menu. 2) Tap COUNTER icon to open COUNTER window. 7-3-4.

  • Page 46: Security

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW <How to switch language> 1) Just tap icon you want. 2) Reboot system (Log off - Power off - Power on) * At present we supply only English. 7-3-5. SECURITY You can change your ID and protect recipes already registered here in this page. 1) Tap CONFIG tab to open CONFIG menu.
  • Page 47 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW < ID-REGISTER > 1) Tap CHANGE PASSWORD button. 2) Tap blank cell to open keyboard and enter new password you want to register 3) Tap present password (before change). Default password is “YASUI_K2NEXT” <...

  • Page 48: Payment Password

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 7-3-6. PAYMENT PASSWORD You can enter passwords for Monthly payment here. Only for customers who use this system. < How to open PAYMENT PASSWORD window > 1) Tap CONFIG tab to open CONFIG menu. 2) Tap PAYMENT PASSWORD button to open.

  • Page 49: Date & Time

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 1) SUSPEND You can activate Automatic power OFF function of the display. Select ON for activate, timer can be set from 1-999 minutes. 2) BRIGHTNESS You can adjust the brightness of display. button to decrease, tap button to increase.

  • Page 50: Maintenance

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 7-3-9. MAINTENANCE You can activate each single action of K2NEXT 8000 for maintenance and other purpose. 1) Tap CONFIG tab at CAST window. 2) Tap MAINTENANCE button. 3) Check each function by tapping buttons. You can also monitor electric power, signals and others. Area for monitoring signals and measurements 0.00 0.10...

  • Page 51: Log & History

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 7-3-10. LOG & HISTORY You can check machine log when problem happened. It is very difficult to communicate about problems on this product . However you can easily report what is happening on it by taking picture and send us or our distributors this window. It is very useful tool to diagnose.

  • Page 52: Trouble Shootings

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 8. TROUBLE SHOOTINGS 8-1. ERROR MESSAGES K2NEXT 8000 shows messages when accidents happen. You cannot operate K2NEXT 8000 while message is displayed. Example of error message 1) Error code 2) Error icon 3) Error detail 4) Remedy 5) OK button...

  • Page 53: Error Code

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 8-2. ERROR CODE Error code Level Description Cause Remedy EMERGENCY STOP button is Error Solve problem and release button (TF) Temp anomaly inside of Error Temp exceeds over 55c Check cooling water supply temp oscillator (AC) Over current input ・Short circuit on heating coil...
  • Page 54 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW Error Exhaust failure Exhaust not completed Clean exhaust valve and pipes Warning Voltage warning Power out of range 335V-425V Ensure required power Power out of range 315V-445V Ensure required power Error Voltage anomaly operation suspended Check parts inside Melting chamber pressure...

  • Page 55: Installation

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 9. INSTALLATION 9-1. PLACE 1) Floor must be sturdy and stable. The machine must be free from vibrations. 2) The machine must be leveled. (When floor is not flat, adjust level adjuster, so that the machine should be leveled.) 3) Do not install machine at place where material such as gas, that may affect casting and operation of machine, is...
  • Page 56 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW WARNING 1. Be sure to connect ground cable to prevent electric shock. 2. This product is not equipped with a ground-fault circuit interrupter. Connect to ground-fault circuit interrupter on power switch board in your factory. If grounding wire is not earthed correctly, ground-fault circuit interrupter may not work as expected.

  • Page 57: Connecting Water Hose

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 9-3. CONNECTING WATER HOSE This product needs internal circulation of tap water for cooling. Connect to water supply of sufficient water pressure (water supply pressure: over 0.15 MPa in average, and water supply flow rate: more than 3 liters per minute).

  • Page 58: Connecting Vacuum Pump

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW K2NEXT When using external cooling water circulation unit available in 8000 the market, arrange it so that back pressure should be 0 (zero). (External cooling water circulation unit is not provided with K2NEXT 8000.) IMPORTANT 1.
  • Page 59 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW CAUTION 1. Use a pump w/ pumping speed more than 300 liters per minute to get the best performance of this product. 2. Do not forget to pour vacuum oil in pump cylinder to avoid damages inside of pump.

  • Page 60: Supply Of Inert Gas

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 9-5. SUPPLY OF INERT GAS WARNING 1. Never use inflammable gas (such as hydrogen gas, etc.). They may catch fire and explode, causing a risk of serious injury, including death. 2. Never replace gas cylinder while this product is in operation. Especially when it's pressing after pouring metal, locking of chambers will be cancelled.

  • Page 61: Flask Chamber

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 9-6. FLASK CHAMBER 9-6-1. REMOVING FIXATION BOLT FOR TRANSPORTATION 1) Turn fixation bolt for transportation (Hexagonal Flask chamber head bolt, Size: ISO M12 L=45mm) clockwise, so that mold chamber can be moved back and forth Fixing screw bolt for freely.

  • Page 62: Thermocouple

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 9-7. THERMOCOUPLE CAUTION In case of K-type machine, if "R-type thermocouple" is connected to "K-type socket" by mistake, display temperature will be lower, and actual temperature of metal will become too high. Such mistake at type selection may cause hazardous results, so always check that type of thermocouple is correct.

  • Page 63: Calibration (Zero Adjustment Of Pressure Sensor)

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW CAUTION Insert thermocouple so that the lower end touches the bottom of carbon stopper hole. When it doesn't touch there with some space, showing temperature will be lower than true temperature. This can lead overheat on metal inside of crucible, which is dangerous that reading temperature is low and metal is boiling.
  • Page 64 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 4) Tap MACHINE button 5) Tap START button 00000 1.0.19 00000 1.0.10 1.1.04 1.0.8 6) Calibration starts automatically Pop up message will be shown for a while. End of process when display returned to MACHINE window.

  • Page 65: Specifications

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 10. SPECIFICATIONS 380VAC +/-10%, 50/60Hz Power source 3phase, 6.3kVA Oscillation 4.8kW Net Weight Approx.250kg Dimension 746 (W) x 685 (D) x 1,191 (H)mm 125mm dia.×230mm(H) standard Max. flask size 125mm dia.×300m m(H) option Crucible volume 158cc Max.

  • Page 66: Parts & Consumables

    Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW 11. PARTS & CONSUMABLES #14250400 Thermocouple (K) #14230000 Thermocouple (R) #14230700 Thermocouple socket (K) No image #14230500 Thermocouple socket (R) #14740000 Stopper holder ass'y #25090410 Stopper rod #14754000 Guide for metal charge #14880302 Partition #14880301...
  • Page 67 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW #25105000 Graphite crucible 4.5kW/4.8kW/5kW #14755018 Outer crucible O-ring P200 / Melting chamber #28220000 No image O-ring P200 / Flask chamber #14726004 Heating coil No image #28306500 O-ring G-65 Sealing disk #14226600 (Outer dia. 89φ, Inner dia. 49φ) (For flask dia.
  • Page 68 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW #14742200 Spacer for 89φ dia. flask #14031000 Extension for short flask #14880411 #14880412 Protection sleeve Sight glass disk (lid) #14040000 No image Sight glass disk (flask) #28203200 2pcs O-ring P32 for sight glass disk (lid) No image #28203400 2pcs O-ring P34 for sight glass disk (flask)
  • Page 69 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW...
  • Page 70 Yasui K2 NEXT Instruction Manual SKU: SKU: 79-300-K2-8KW...

This manual is also suitable for:

79-300-k2-8kw

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