Dukane SVB051 Manuel d'utilisateur Page 40
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- Table des matières
- DEPANNAGE
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
Spin Welder User’s Manual Section 5 – Theory of Operation
Page 31
Page 30 Dukane Manual Part Number 403-547-03Dukane Manual Part Number 403-547-03
penetration has been achieved, we want to stop
the rotation as quickly as possible. Too long of a
deceleration time will allow the polymer to solidify
and subsequently shear reducing the weld strength.
Higher axial pressure may help stop the rotation
sooner on large diameter parts.
Hold Time
During Phase V, a holding time allows the plastic
to solidify before removing pressure from the joint.
Larger weld joints take longer for the plastic to
solidify due to the larger mass and poor thermal
conductivity of plastic.
Initial Settings
The following information is presented for infor-
mational purposes only and is in no way meant to
serve as a rule or formula. The information is col-
lected from publicly available books and papers. It is
presented here to provide customers with a general
guideline for setting the initial parameters.
Axial Pressure
This is the most difcult parameter to estimate.
You will require less pressure with an electric mo-
tor spin welder than with an inertial welder due to
the inertial welder’s loss of kinetic energy. A rough
estimate can be derived from a specic pressure of
1.7 MPa (1.7x10
6
Nt–m
-2
) of projected joint area.
This translates to roughly 250 pounds per inch
2
of
weld surface area (total wetted surface area). The
spin welder uses a 3” diameter air cylinder to supply
pressure and it has a boost factor of 7x, so a pres-
sure reading on the regulator of 35 psi translates to
250 pounds of force. Again remember that the 250
pounds per inch
2
of weld surface area is only a start-
ing estimate and differs from values used in inertial
spin welders. Depending upon the joint design, your
application may require 2x more or 0.5x less pres-
sure. Axial pressure typically also has a larger effect
on the weld initiation process than the RPM setting.
TIP
Change only one parameter at a time.
Record your settings. This will make it
easier to arrive at correct settings, un-
til you become familiar with the Spin
Welder.
- SPIN WELDER 1
- Page iii 2
- Revision History 3
- Table of ConTenTs 5
- Page vii 7
- Table of Contents 7
- Introduction 11
- Important User Information 13
- Manual Organization 14
- Spin Welder Key Features 15
- Unpacking 17
- Unpacking System 19
- Packing List 19
- System Requirements 20
- Major Components 20
- Safety Regulations 25
- Electrical Safety 26
- Mechanical Safety 27
- Pneumatic Safety 27
- Installation 29
- Work Area 31
- Securing to Work Table 31
- Tooling Attachment 31
- Compressed Air 32
- Control Cables 32
- AC Power 33
- Note that X is 34
- Theory of Operation 35
- Spin Welding Process 37
- Material Considerations 38
- Control Parameters 38
- Surface Velocity (RPM) 39
- Weld Time 39
- Initial Settings 40
- RPM (Surface Velocity) 41
- Average Weld Diameter (inch) 42
- Part Size 43
- Control Functions 45
- Operate Controls 48
- IN CYCLE 49
- Air Pressure Regulator 50
- Regulator Gauge 50
- Down Speed Control 51
- Counterbalance Regulator 51
- Number Keys 52
- Function Keys 52
- Display/Format Keys 52
- Motor Speed Control 53
- Mechanical Controls 53
- Dovetail Locks 54
- Bottom Stop 54
- Bottom Stop Lock 55
- Operational Setup 57
- Terminology 59
- Weld by Distance 60
- Upper Hub 60
- Lower Fixture 60
- Fixture Height 60
- 1. Attach Tooling 61
- 2. Disable System 61
- 3. Base Interface Cable 61
- 4. Connect AC Power 61
- 5. Connect Compressed Air 61
- Height Adjustment 62
- Stroke Adjustment 63
- Pneumatic Adjustments 64
- 2 to 2 66
- 4 turns open at a pres 66
- User Interface 67
- Operating Menus 68
- MODIFY Menu 71
- Input Parameters 72
- PREV and NEXT Keys 73
- Maintenance 75
- User Interface Panel 77
- AC Power Cord 77
- Weekly Maintenance 78
- Monthly Mainte 78
- Annual Maintenance 79
- Lubricate Slides 80
- Troubleshooting 81
- Welding Process 83
- Welder Troubleshooting 84
- AC Motor Controller 86
- TEST FUNCTIONS 87
- Contacting Dukane 89
- Specifications 93
- Energy Requirements 95
- Operating Environment 95
- Dimensions 96
- Identification Numbers 97
- Base Model and Serial Number 98
- List of Figures 101
- List of Tables 102
- Electrical Schematic 103
- Spin Welder User’s Manual 104
- Dukane ISO 111
- Part No. 403 112
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