i4 Inverter Spot Welding System
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Pro Spot International,
Inc. introduces a new line of inverter spot welders featured with
the latest of current monitoring technology.
Years of research and developing and close cooperation with car manufactures have finally paid off. The system is designed to handle the difficult-to-weld materials such as Boron steels and High Strength alloys.
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| The i4 technology
is revolutionary compared to others in the industry. It not only measures,
monitors and automatically adjusts the weld current, it does it on
the secondary loop at the tips. By measuring the current on the secondary
side of the transformer it leaves no guess work whatsoever. It samples
the weld 650 times per cycle or ONE million times per second using
the same technology used in the space shuttle and in most satellites.
The AD converter (Analog to Digital) is extremely powerful and allows
the i4 to deliver the exact weld current that is set by the operator
regardless of outside circumstances such as low voltage supply, large
weld nuggets, dirt tips etc.
It also features adjustable upslope and down slope. Upslope ramps up the current to assure for a smooth current draw and less demand from primary current. The smoother initiation of the weld also decreases the chance of sparking. |
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| Advanced Weld Features | On-Board Training, OEM | Languages / Help |
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| The two sided weld program features four main weld modes: Single Weld, Dual Weld, Pulse Mode and Wave Mode. Upslope and Downslope of the weld current are automatically applied. With the Dual Weld Mode, current / time can change within the weld. Example: for the first 10 milliseconds a lower weld current is applied, then after a programmable pause, a higher weld current is applied for 8 milliseconds. The first pulse pre-heats the area, softening the metal, so when the second - higher pulse is applied, it recognizes the change in resistance as it applies the current. At that precise moment, the applied squeeze pressure can easily fuse the metals into a weld nugget. This feature is often used by OEM welders when welding Boron Steel, which is extremely hard. | The i4 features an on-board training program which is easily accessible by using the large monitor on the front panel where images and instructions are displayed. The i4 is equipped with an OEM programmable feature which is capable of providing the user with detailed instructions and weld specifications provided by the OEM's as they become available. | Questions? No problem. In any weld screen, just push the 'HELP / INSTRUCTION' button. The on-board instructions will guide you in the language of choice. By using Flash Card technology the software can be easily upgraded as new data becomes available. The expansion capability is enormous and practically endless. |
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| click on the pictures to enlarge | ||
| Advanced Primary and Secondary Current Sensing System |
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| Cleans dirty power and always delivers smooth and clean weld current. |
| LIQUID COOLED: i4 liquid cooling system increases the duty cycle and cools the inverter, transformer, weld gun and other vital components for longer life. |
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Brochure Low Quality (2.3MB) |
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Brochure High Quality (7.7MB) |
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Component List |
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Spec Sheet |
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PS-500 Brochure |
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C-X Brochure |
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Single-Sided Applications |
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| Request More Information |
| Register Your Welder |
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Control Panel The i4 features a large 4x6" monitor capable of displaying images and clipart. The i4 Software is stored on an upgradeable flash card... |
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Double-Acting
Spot Gun |
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Single-Sided Welding
10 different Single-Sided welding applications give you the power and versitility to complete any job... |
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Pro Pull Dent Pulling
(optional) Pro Pull is the latest in dent pulling technology for the collision industry. This tool makes dent pulling into art... |
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| Spot welding of quarter panel using C-Arm (PS-302). | PS-52 Wheel House Arm is a must for tight areas with limited space for the electrodes. |
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| For deeper needs use the Pro Spot extension arms. They are self-aligning and quick to install. | Wheel House welding with PS-52 Arm makes it possible to weld the most difficult applications. |
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| Consistent weld quality with short weld time thanks to the latest inverter technology | In this sheer strength test, the PR-2000 weld holds more than 2200 lb. (1000kg). This test was done on two, 16ga. galvanized steel strips (1.57mm thickness) . Note how the metal tears around the weld nugget. The PR-2000 welds measure up to the factory requirements weld after weld. |
| Features:
consistent weld current regardless of the power source AHSS, HSS, T.R.I.P, BORON |
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| Technical Talk... i4 - MADE IN U.S.A. |
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| Input
voltage: |
3 phase 208-240V 50/60 Hz. OR 400-420-480V 50/60 Hz. 12500A max (3-phase) 8’ (2.5m) standard At 7 bars (90 PSI)-280 DaN (616 Lb) At 9.5 bars (135 PSI)-420 DaN (924 Lb) Air (2 fans), Compressed air (weld gun and weld cables) Water cooling (inverter, transformer, welding gun) i4 Upgradeable Software Platform IP21 no. 5,239,155, no. 6,706,990, no. 6,539,770 28”(711mm)x12.5”(318mm)x50”(1270mm) 373lb (169kg) |