The OTC DAIHEN WB-P500L is the flagship model that proudly stands out across the entire WB series, with the “L” representing Low Spatter (Ultra-Low Spatter). It not only possesses all the 500A heavy-duty pulse functions of the standard P500 but is also equipped with the exclusive CBT-EX waveform control technology, which can astonishingly reduce welding spatter by over 80%, achieving true “grinding-free” operations. After rigorous sorting by our technical team, we have eliminated redundant duplicates from outdated materials and refined the 5 core standard factory configurations of the P500L to handle different materials and working conditions.
1. Welding Expert Guide: Core Hardware Secrets of P500L Ultra-Low Spatter
To unleash the “ultra-low spatter” potential of the P500L, the supporting hardware must be absolutely precise; never mix and match:
- The Only Ultra-Low Spatter Switch (CMV-7402): Only when paired with the CMV-7402 servo-controlled wire feeder (Configuration 1) can the P500L achieve ultra-low spatter! The servo motor inside this wire feeder coordinates with the current to perform microsecond-level “wire retraction” actions. If replaced with a standard CM or CMA wire feeder, the P500L will only function as a conventional pulse welder.
- The Difference Between 220V and 36V Flow Meters: The ultra-low spatter configuration (Configuration 1) must use the W-198-220V flow meter because the mainboard’s power supply channel is occupied by the servo system. Other conventional pulse configurations use the standard 36V flow meter. Buying the wrong one will directly result in the flow meter failing to heat!
- Mandatory Water-Cooling System: When using the P500L for continuous welding of thick plates (>350A), be sure to select a water-cooled configuration (Configuration 2, Configuration 5) to prevent the welding torch from burning out due to overheating.
2. P500L Core Signature: Ultra-Low Spatter Exclusive Configuration
2.1 DC/Pulse Ultra-Low Spatter Standard Configuration (Air-Cooled)
Application Scenarios: Automotive chassis, exhaust pipes, high-end metal furniture, and other precision conditions that strictly prohibit spatter adhesion and require grinding-free finishes.
| NO. | Core Component Name | Original Model/Spec | Qty |
|---|---|---|---|
| 1 | Ultra-Low Spatter Pulse Power Source | WB-P500L | 1 Unit |
| 2 | Servo-Controlled Wire Feeder | CMV-7402 | 1 Unit |
| 3 | Dedicated Ultra-Low Spatter Torch | WT3510-SD | 1 PC |
| 4 | Gas Flow Meter with Heater (220V) | W-198-220V | 1 Set |
| 5 | Thickened Secondary Cable (Torch Side) | BKPT-6002 | 1 PC |
| 6 | Thickened Secondary Cable (Ground Side) | BKPT-6002 | 1 PC |
| 7 | Analog Handheld Remote Control Pendant | K5688B00 | 1 PC |
3. P500L Aluminum Alloy Pulse Configuration Lists (Ultra-Low Spatter Mode Disabled)
When the enterprise switches to pure aluminum alloy welding, the P500L can deliver top-tier aluminum pulse control capabilities by pairing with the CMA series wire feeders.
3.1 DC/Pulse Aluminum Extreme Water-Cooled Standard Configuration (Recommended)
Application Scenarios: Heavy-duty environments requiring high-current extreme output for heavy aluminum plates in shipbuilding and high-speed rail.
| NO. | Core Component Name | Original Model/Spec | Qty |
|---|---|---|---|
| 1 | Ultra-Low Spatter Pulse Power Source | WB-P500L | 1 Unit |
| 2 | Water-Cooled Dedicated Al Wire Feeder | CMAW-7402 | 1 Unit |
| 3 | Water-Cooled Heavy-Duty Al GMAW Torch | WTCAW-5002 | 1 PC |
| 4 | Precision Argon Gas Flow Meter | W-50FL-Ar | 1 Set |
| 5 | Thickened Secondary Cable (Torch Side) | BKPT-6002 | 1 PC |
| 6 | Thickened Secondary Cable (Ground Side) | BKPT-6002 | 1 PC |
| 7 | Analog Handheld Remote Control Pendant | K5688B00 | 1 PC |
3.2 DC/Pulse Aluminum Water/Air Dual-Purpose Configuration
Application Scenarios: Medium-to-thick aluminum alloy components requiring a certain degree of workshop mobility.
| NO. | Core Component Name | Original Model/Spec | Qty |
|---|---|---|---|
| 1 | Ultra-Low Spatter Pulse Power Source | WB-P500L | 1 Unit |
| 2 | Water-Cooled Dedicated Al Wire Feeder | CMAW-7402 | 1 Unit |
| 3 | Water/Air Dual-Purpose Al GMAW Torch | WTAW400-SD | 1 PC |
| 4 | Precision Argon Gas Flow Meter | W-50FL-Ar | 1 Set |
| 5 | Thickened Secondary Cable (Torch Side) | BKPT-6002 | 1 PC |
| 6 | Thickened Secondary Cable (Ground Side) | BKPT-6002 | 1 PC |
| 7 | Analog Handheld Remote Control Pendant | K5688B00 | 1 PC |
4. P500L Carbon Steel/Stainless Steel Conventional Pulse Configuration Lists
4.1 DC/Pulse Carbon/Stainless Steel Air-Cooled Configuration
Application Scenarios: Universal carbon steel pulse welding, no water tank required, simple maintenance.
| NO. | Core Component Name | Original Model/Spec | Qty |
|---|---|---|---|
| 1 | Ultra-Low Spatter Pulse Power Source | WB-P500L | 1 Unit |
| 2 | Standard Steel Wire Feeder | CM-7402 | 1 Unit |
| 3 | Air-Cooled Heavy-Duty GMAW Torch | WT5000-SD | 1 PC |
| 4 | Gas Flow Meter (36V) | W-50FL-Ar | 1 Set |
| 5 | Thickened Secondary Cable (Torch Side) | BKPT-6002 | 1 PC |
| 6 | Thickened Secondary Cable (Ground Side) | BKPT-6002 | 1 PC |
| 7 | Analog Handheld Remote Control Pendant | K5688B00 | 1 PC |
4.2 DC/Pulse Carbon/Stainless Steel Water-Cooled Configuration
Application Scenarios: High-current continuous pulse machining of medium-to-thick carbon steel structural components, dedicated machine integration at full load.
| NO. | Core Component Name | Original Model/Spec | Qty |
|---|---|---|---|
| 1 | Ultra-Low Spatter Pulse Power Source | WB-P500L | 1 Unit |
| 2 | Water-Cooled Standard Steel Wire Feeder | CMW-7402 | 1 Unit |
| 3 | Water-Cooled Heavy-Duty GMAW Torch | WTCW-5001 | 1 PC |
| 4 | Gas Flow Meter (36V) | W-50FL-Ar | 1 Set |
| 5 | Thickened Secondary Cable (Torch Side) | BKPT-6002 | 1 PC |
| 6 | Thickened Secondary Cable (Ground Side) | BKPT-6002 | 1 PC |
| 7 | Analog Handheld Remote Control Pendant | K5688B00 | 1 PC |
⚠️ Expert Reminder Once Again: All water-cooled configurations require an external industrial cooling water tank. Dry burning without water is strictly prohibited.