Rio Grande NEUTEC J-2r Operator'S Handbook Manual Download

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™

Rev. F

710-990

7500 Bluewater Road NW

Albuquerque, NM, 87121 USA

Technical Support: 505.839.3558

Neutec™ Sales: 505.839.3010 • Fax 505.839.3016

Neutec

™

J-2

Operator’s Handbook

mportant

Please read this handbook

before using your Neutec/Rio Grande™ J-2

Summary of Contents for NEUTEC J-2r

Page 1: ...nde 7500 Bluewater Road NW Albuquerque NM 87121 USA Technical Support 505 839 3558 Neutec Sales 505 839 3010 Fax 505 839 3016 Neutec J 2r Operator s Handbook Important Please read this handbook before...

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Page 3: ...rucible Chamber Parts 4 2 Section Five Sealing Rod Replacing a Sealing Rod Ball 5 1 Removing the Sealing Rod Assembly 5 3 Adjusting the Sealing Rod Tension 5 4 Section Six Installing the Thermocouple...

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Page 5: ...p casting cycles average about 8 minutes depending on metal type and load size The entire cycle assumes an attentive operator reading the display and taking the appropriate actions at the appropriate...

Page 6: ...s metal temperature casting temperature Nitrogen flow meter Indicates gas flow in liters per minute Nitrogen Input Port Attach nitrogen supply to this port with supplied fittings Main Power Switch Act...

Page 7: ...ever Pushing down lifts sealing rod assembly to release the metal into the flask Hood Door Opens for adding metal to the crucible Sealing Rod Locking Collar Turns to lock collar on tube for proper sea...

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Page 9: ...for any other application The J 2r is designed to work with Neutec consumables Using consumables not manufactured by Neutec will result in poor castings and can cause damage to the machine Non Neutec...

Page 10: ...iberglass or asbestos 45 7cm 18 elbow length Protective Leather shoes or boots with built in steel toe Shoes protection Flask Tongs These special flask tongs lessen the chance of injury 710 568 710 55...

Page 11: ...lure to observe proper procedures can render the J 2r unsafe to operate Use only genuine Neutec replacement parts and consumables to ensure correct operation of the machine and to avoid serious person...

Page 12: ...en the main tank valve slowly and completely The gauge on the right will indicate the pressure of the gas in the tank 3 Once the connection is properly made between the regulator and the casting machi...

Page 13: ...use nitrogen or argon gas 5 Thermocouple 6 Sealing rod 7 Filling cone 8 Crucible 9 Crucible bottom gasket 10 Crucible stand 11 Owner s Handbook 12 Flask adapter ring with O ring for 102mm 4 diameter...

Page 14: ...the upper right side of the cabinet and tighten Please Note This is a metric fitting Attach the gas inlet washer and fitting 4 Remove the compression nut from the gas inlet fitting and slide it onto...

Page 15: ...od could be hot enough to start a fire Severe burns will result from touching hot parts Think about where you will put down the hood assembly before removing it Never place a hot hood sealing rod or c...

Page 16: ...Be sure there are no pieces of metal or other debris in the chamber Be sure that the crucible chamber is clean 2 Install a new crucible stand Make sure it is clean and centered over the pour hole 3 In...

Page 17: ...ther imperfections are present Using a crucible past its safe life can cause a metal spill inside the crucible chamber Spilled metal in the crucible chamber can damage the coil and leave your machine...

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Page 19: ...act Liquid metal can escape from a very small imperfection in this seal If you detect any imperfection in the ring replace the sealing ball 1 Twist and gently pull the worn ball to remove it Use care...

Page 20: ...ween ball and rod 10 Allow the cement to set for at least 20 minutes before installing the sealing rod in the machine The cement will cure faster and stronger at 82 C 180 F You can use a home oven to...

Page 21: ...up and out of the sealing rod Unplug and remove the thermocouple 3 Hold the sealing rod holder tube loosen the sealing rod collar screw pull the tube all the way up and lightly tighten the collar scre...

Page 22: ...hit the bottom of the crucible when the hood is put back on the machine 5 Re install the hood on the machine See Adjusting Sealing Rod Tension below 6 Re install the thermocouple in the sealing rod an...

Page 23: ...een the locking collar and bushing 6 Making sure the steel tube has not moved lightly tighten the sealing rod collar screw Lightly tighten the screw to hold the steel tube 7 Using the sealing rod coll...

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Page 25: ...ine from heating until it is corrected Install the Thermocouple 1 Push the thermocouple down inside the sealing rod until it stops Make sure it reaches the bottom of the sealing rod or the temperature...

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Page 27: ...extra caution to avoid getting burned or causing a fire Warning Hot parts may not look hot Parts with temperatures of several hundred degrees look the same as cool ones The sealing rod could be hot en...

Page 28: ...nsert the new stirring rod and tighten the clamp Insert the stirring rod and tighten the clamp 8 Check to make sure the stirring rod is secure 9 Loosen the sealing rod collar screw and slide the whole...

Page 29: ...al from a solid to a liquid This change in the metal state requires a lot of heat energy and is called the heat of transformation Once the alloy becomes liquid the temperature rises quickly toward the...

Page 30: ...ys the casting set point then release the button The machine is now ready to cast If you subsequently change your casting set point enough to be in a different temperature range reset the balance valu...

Page 31: ...rod tension Important Do not rotate the sealing rod and ball until the crucible chamber has been pre heated If there is solidified metal left on the sealing ball it can score the crucible seat causing...

Page 32: ...an damage parts of the machine and make flask removal very difficult To determine the proper metal amount consult a lost wax casting reference If you are using the Neutec NeuSprue system strongly reco...

Page 33: ...ask you will use 5 Using flask tongs take the flask from your burnout oven and place it in the chamber Important Timing is essential the flask should be put into the machine just as the metal melts Wh...

Page 34: ...ture is reached and casting occurs Casting the Flask 1 When the metal is molten and within a few degrees of set point temperature rotate the stirring rod lever several times to stir the alloy Importan...

Page 35: ...ll run cooler and last longer at high vacuum Keep the flask chamber vacuum valve closed between castings while allowing the vacuum pump to run 10 Using flask tongs remove the cast flask Continue throu...

Page 36: ...er and engage the locking mechanism on the lever assembly to lock the sealing rod assembly in the up position This keeps the sealing rod from sticking to the crucible during cooling 4 Leave the inert...

Page 37: ...72 99 1079 1062 1083 1176 1392 1598 1771 1840 1992 100 1090 1073 1094 1188 1406 1615 1789 1858 2013 505 839 3010 Neutec Rio Grande J 2 r Rev F Page A 1 Wax Sterling 8K 9K 10K 14K 18K 21K 22K 24K Weigh...

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Page 39: ...indicator light and variable balance adjustment Controller face Purpose The purpose of this procedure is to reset or verify that the controller parameters are correct for the desired temperature in C...

Page 40: ...SV light comes on and the row displays the casting set point Release the button Open and Set Group 2 Factory Settings 1 Press SEL for 6 seconds until Su L is lighted 2 Push SEL once until lower displ...

Page 41: ...ler face Purpose The purpose of this procedure is to reset or verify that the controller parameters are correct for the desired temperature in C and F or to change the controller parameters to toggle...

Page 42: ...he controller to display in either Celsius or Fahrenheit 6 Press SEL for 3 seconds until the SV light comes on and the row displays the casting set point Release the button Open and Set Group 2 Factor...

Page 43: ...r the controller to work properly Close dSP Factory Settings 1 After checking all the settings push the down arrow again until you see dSP1 or press SEL 9 seconds until you see P n1 and then press the...

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Page 45: ...et Silicone 76mm 3 dia 710 391 pkg 6 Flask Gasket Silicone 64mm 2 5 dia 710 390 pkg 6 Flask Gasket Graphite 102mm 4 dia 710 399 pkg 6 Flask Gasket Graphite 89mm 3 5 dia 710 398 pkg 6 Flask Gasket Grap...

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Page 47: ...75 25 Palladium 904 C 1660 F 14K Yellow Gold 13 4 58 25 17 802 C 1476 F 14K Green Gold 13 6 58 35 7 835 C 1535 F 14K Rose Gold 13 4 58 10 32 827 C 1520 F 14K White Gold 13 7 58 42 Palladium 927 C 1700...

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Page 49: ...d cast is made Shrinkage porosity Thick thin thick design of pattern Use larger sprue gates or adjust feed position Gates are solidifying too soon Increase gate size volume Metal and or flask temperat...

Page 50: ...racked investment Replace vacuum filter Check for vacuum leaks Incomplete fill on items that Poor vacuum due to dirty vacuum filter Replace vacuum filter previously filled at the same temperature Vacu...

Page 51: ...nction to cool too slowly Ring shanks are cracking at points Flask was quenched too soon after casting Let flask cool longer before quenching other than the gate feed sprue junction alloys with silico...

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Page 53: ...vision E 2012 J 2r Manual and Appendix B were updated to reflect new PXR 4 controller instructions Revision D 2003 Reformatting of the J 2r manual to portrait orientation During reformatting small typ...

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