Z Corporation Z 406 User Manual Page 153
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- Table of contents
- TROUBLESHOOTING
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Appendix I
ZCast Design Guide - 35
10 Finishing
10.1 De-molding
Removing a casting from a ZCast mold is virtually
identical in process to the removal of a casting
from a traditional chemically set sand mold. After
cooling and solidifying, the mold can be
unclamped and broken apart. Breaking a mold
can usually be done with a hammer or other blunt
object. Once the majority of the mold material has
been broken off, the cores and detailed sections
can be cleaned out with a high-pressure water jet
or by simply breaking them apart with a tool (a
simple screwdriver will work well). All sand
casting foundries will be set up with the means to
remove ZCast material from a finished casting.
CAUTION
Breaking molds with a hammer or high-pressure water jet
releases airborne objects and may cause personal injury.
Wear eye, face and hand protection while breaking molds.
10.2 Secondary Operations
Castings will often need secondary operations, all of which are identical in process to traditionally
cast parts. At the very least, the material formed in the gating system will need to cut off. The
flashing will probably need to be ground off. Machining may need to be done on critical surfaces
(remember to add machining stock (typically around 0.080 in (2 mm)). Holes may need to be
drilled out and tapped. The surface may be bead blasted or sand blasted. Castings may be
heat-treated.
CAUTION
Drill, cutting or grinding cast parts releases airborne objects
and dusts and may cause personal injury. Wear eye and
face protection while performing these tasks.
10.3 Ovens
You can bake your parts in one of the ovens offered through Z Corporation, or any other oven
that will reach temperatures up to 400
º
F. Since ZCast molds will tend to smoke when baking, it is
a requirement to ensure that your oven is properly vented to the atmosphere. For more
information about the ovens offered through Z Corp. contact your local representative or go to
http://despatch.com/
on the web.
WARNING
Do not bake ZCast molds in unvented ovens. Irritating and
toxic fumes are formed at elevated temperatures during
oven baking. Ovens must be vented to the outside. Refer to
the ZCast 501 powder MSDS for more information on the
irritating and toxic fumes.
Figure 14: Despatch baking ovens
offered through Z Corporation
- Z406 System User Manual 1
- September 2004 1
- Z Corporation 1
- Table of Contents: 2
- APPENDIX I 5
- Table of Figures 6
- 1 YOUR Z406 SYSTEM 8
- 1.4 Z406 SYSTEM COMPONENTS 14
- 1.6 USEFUL TIPS 15
- 2.1 HARDWARE CONTROLS 18
- Technical Tip 19
- Wash Fluid Binder Solution 26
- Color Binder 26
- Solution 26
- Waste Fluid 26
- 3 USING ZPRINT SOFTWARE 29
- 3.2 ORIENTING THE PART 30
- 3.4 PRINTING THE BUILD 33
- 4 POST PROCESSING THE PART 34
- 4.2 DEPOWDERING THE PART 35
- 1. Turn on air compressor 36
- 2. Turn external vacuum on 37
- Press down on 38
- ON/OFF Switch 40
- Suction Control 40
- Air Pressure 40
- 4.3 DRYING THE PART 45
- 5 INFILTRATING THE PART 49
- 6 APPLICATIONS 54
- 6.2 PAINTING PARTS 56
- 6.3 POLYESTER RESIN 57
- 6.4 ELECTROPLATING 58
- 6.5 WATER TRANSFER PRINTING 59
- 6.6 INVESTMENT CASTING 62
- 6.7 FLEXIBLE PARTS 64
- 6.8 THERMOFORMING 65
- 6.9 RTV MOLDING 67
- 7 MAINTENANCE 73
- All targets are 80
- 7.3 COLOR ALIGNMENT 82
- 7.4 FLUSHING THE BINDER 84
- 7.5 GREASING THE FAST AXIS 84
- 7.6 GREASING THE SLOW AXIS 85
- 7.7 OILING THE SNOWPLOWS 86
- 7.8 CLEAN UNDER THE GANTRY 86
- 9 CHANGING MATERIAL SYSTEM 92
- Change Powder Type 94
- Recommended Saturation 95
- 9.1 USING ZCAST POWDER 97
- 9.2 USING ZP250 POWDER 100
- Use a paper 104
- 10 TROUBLESHOOTING 106
- 11 Z406 SYSTEM DETAILS 110
- 12 SYMBOLS USED 111
- 12.1 SYSTEM SPECIFICATIONS 112
- 12.3 ERROR CODES 113
- 13 INDEX 117
- 501 Direct 119
- Metal Casting 119
- 1 Introduction 122
- 2 General Safety 123
- 2.1 Safety Precautions 123
- 2.2 Safety Symbols 123
- 2.3 Safety Instructions 124
- PREPARING AND BAKING MOLDS 126
- POURING MOLTEN METAL 126
- FINISHING 127
- 3 ZCast Advantages 128
- 3.1 The Material 128
- 3.2 Design Freedom 128
- 4 Locating a Foundry 130
- 4.1 Foundry Trial Parts 130
- Direct Pour 132
- Shell Method 132
- Combination Method 133
- 5.3.1 Direct Pour Method 134
- 5.3.2 Shell Method 135
- 5.4 Printing Your Model 136
- 5.5 Conclusion 136
- 6.1 Direct Gating 137
- 6.3 Shelling your Mold 137
- 6.4 Stiffening Ribs 138
- 6.5 Venting 138
- 6.5.1 Venting Cores 139
- 6.5.2 Venting the Mold 140
- 6.6 Parting Lines 143
- 6.8 Mating Surfaces 144
- Rubber Hose 144
- 6.9 Geometry Guidelines 145
- 6.12 Chills 146
- 6.13 Printing 146
- 6.13.1 Machine Settings 147
- 7 Mold Preparation 149
- 8 Pouring Metal 151
- 9 Material Handling 152
- 9.1 Storage 152
- 9.2 Disposal 152
- 9.3 Powder Recycling 152
- 10 Finishing 153
- 10.1 De-molding 153
- 10.2 Secondary Operations 153
- 10.3 Ovens 153
- 11 Foundry Consumables 154
- 11.1 Sand Casting Glossary 155
- 11.1.4 Pouring Cup 156
- 11.1.5 Sprue 156
- 11.1.6 Well 156
- 11.1.7 Runners 156
- 12 Conclusion 157
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