NexaRAM NexaRAM

circuit board 220v single board ZX7-200/250 welding machine motherboard 3.2 welding rod long time use

Product Description

About Us

We are a leading manufacturer specializing in high-density multilayer printed circuit boards and specialty boards. With certifications including UL, ISO9001:2015, ISO14001:2015, CQC, IATF16949:2016, and "National Military Standard," we provide top-quality products and services. Our extensive product range includes multilayer boards, impedance boards, high-frequency boards, high TG thick copper foil boards, 5G high-speed boards, buried blind via boards, aluminum-based boards, hybrid dielectric boards, HDI, rigid-flex boards, specialty boards, and customized solutions.
Driven by technological innovation, our products are widely used in industries such as communication equipment, industrial control, automotive electronics, energy and power, medical devices, IoT, research institutions, aerospace, and defense. With over 19 years of experience, we have served over 1,000 technology innovation-oriented enterprises with rapid prototyping and mass production services. We are committed to delivering cutting-edge solutions and exceeding customer expectations in the dynamic electronics industry.

Main Products

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Single Board Order Instructions (Important Notes)
Please communicate with customer service before purchasing to confirm the installation holes of our board and the installation and fixing methods of the original machine shell.
Contact customer service before purchasing to guide you on how to install and confirm before purchasing.
Measure the size of the original machine board before placing an order to ensure that our board can be put in. If you are not sure whether it can be used, please take a photo to confirm with customer service.
We only need a knob to adjust the current size and install it in front of the machine. You still use our one knob as you did before. If your machine has multiple knobs, the other buttons will not be used. Please be aware of this.
This single board is not compatible with your previous display. If you need a display, please purchase our package with digital display. If your machine does not have a display or does not need a display, just purchase the standard package. The standard package comes with a potentiometer and a wiring harness with an indicator light.
The size of the digital display is 45mm*26mm.
It can only be connected to 220V AC, not 380V power supply, and a single power supply is stable.
If there are any problems with installation and use after receiving the goods, please contact customer service, and do not return the goods directly, thank you!
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Production Line & Equipment

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Production Facility
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Manufacturing Capability & Quality Assurance

Rigid PCB Manufacturing Capability
Category Volume Production Sample Processing
Layer Count - 1-68L (64 Layer Max)
Max Thickness - 10mm (394mil) / 14mm (551mil)
Min Line Width/Space (Inner) 2.2mil / 2.2mil 2.0mil / 2.0mil
Min Line Width/Space (Outer) 2.5 / 2.5mil 2.2 / 2.2mil
Alignment (Core Board) ±25um ±20um
Inner Layer Alignment ±5mil ±4mil
Max Copper Thickness 6Oz 30Oz
Mech Drill Size ≥0.15mm (6mil) ≥0.1mm (4mil)
Laser Drill Size 0.1mm (4mil) 0.050mm (2mil)
Max Unit Size 850mm x 570mm 1000mm x 600mm
Max Panel Size 1250mm x 570mm 1320mm x 600mm
Aspect Ratio (Unit) 20:1 28:1
Aspect Ratio (Panel) 25:1 35:1
Lead-Free / Halogen-Free Materials EM827, 370HR, S1000-2, IT180A, EM825, IT158, S1000 / S1155, R1566W, EM285, TU862HF
High-Speed Materials Megtron6, Megtron4, Megtron7, TU872SLK, FR408HR, N4000-13 Series, MW4000, MW2000, TU933
High-Frequency Materials Ro3003, Ro3006, Ro4350B, Ro4360G2, Ro4835, CLTE, Genclad, RF35, FastRise27
Other Materials Polyimide, Tk, LCP, BT, C-ply, Fradflex, Omega, ZBC2000
Surface Finished HAL, HAL-LF, ENIG, IMMERSION TIN, OSP, IMMERSION SILVER, GOLD FINGER, Hard Gold/Soft Gold Plating
Special Technology Blind & buried holes, Via in pad, Semi-plating holes, Counterbore, Step mounting holes, Mixed RF PCB, Busbar PCB
Quality Assurance Standards
Consciousness of making each product a high-quality product by strictly following the quality management system.
Based on ISO 9001, ISO 14001, IATF16949, RoHS, REACH, UL, CQC etc. quality management systems. Simultaneously running IATF 16949.
Method of involving all staff in the entire process control.
Objective and confidence of ensuring 100% quality.
Shipping acceptance criteria: Customer requirements, IPC standards.
Assisting customers in developing quality standards cooperating with customer experiments to improve product performance.

Laboratory Capabilities

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Purchase Notice

Actual conditions are subject to confirmation with customer service.
Returns and Exchanges
As PCBs are custom products, returns are not supported. For quality issues, please contact customer service for a refund or replacement, but we do not bear any losses or costs beyond the product value. Delays in delivery due to force majeure factors such as power outages or water supply interruptions will not be compensated.
Regarding Orders
If there are any issues or special instructions, please communicate directly with customer service for confirmation. Do not leave messages, as we will not be responsible for any missed messages. Before and after payment, please confirm the process, quantity, and layers with customer service. Problems that arise after production or shipment will not be eligible for refunds. Since this product requires a high level of expertise, if the purchasing personnel are not knowledgeable, please confirm with your engineer or customer service.
Delivery Time Calculation
Orders placed before 17:00 are considered as placed on the same day; orders placed after 17:00 are considered as placed the next day. "24-hour delivery" refers to one day, not 24 hours. The delivery time provided by customer service and on the page does not include Sundays or holidays.
Ordering Process Specs
Green solder mask, white silkscreen, 1.6mm board thickness, HASL, 1oz copper thickness, vias with solder mask, line width/spacing 0.2mm, vias above 0.3mm. The Gerber format is used according to the provided files. (The quotation is based on standard processes; please inform customer service of any special process requirements for a new quotation.)

Packing & Shipping

Shipping Standard
Shipping Standards
We ship PCB orders globally with the following options:
Air Shipping (UPS, DHL, TNT, CTS, and FEDEX)
Railway Shipping
Seaborne Shipping
Customer Designated Shipping Method
Layer Sample Shortest Lead Time Sample Standard Lead Time Mass Production Lead Time
2 Layer 24 h 3 days 6-7 days
4 Layer 36 h 5 days 8-10 days
6 Layer 48 h 5 days 8-12 days
8 Layer 72 h 5 days 9-12 days
10 Layer 4 days 7 days 14 days
12 Layer 4 days 7 days 16 days
14 Layer 5 days 8 days 16 days
16 Layer 5 days 9 days 18 days
18 Layer 7 days 10 days 18 days
20 Layer and Above Negotiable Negotiable Negotiable
Packaging Box Detail
Finished PCB Stack

High Efficiency Team

Professional Engineering Team
24h technical support
24h Gerber files handling
Complete EQ within 4-8 hours
Supports 400 new project engineering reviews
Accepted File Formats
We accept standard industry file extensions:
RS-274-X, RS-274-D, CAD, DXP, Protel 99 SE, PADS, GC-CAM
Professional Manufacturing Team
All processes running 24 hours
Monthly more than 10K high-mix part numbers in production
More than 100 QTA orders processed every day
One-step service from prototype to mass production
Order Operation Center
24 hours quick response for overall support
4 hours quick response turnaround for quotations

Certifications

Certificates Show

Frequently Asked Questions

Q1: What types of PCBs can you manufacture?
We specialize in high-density multilayer printed circuit boards and specialty boards. Our product range includes impedance control boards, high-frequency boards, high TG thick copper boards, 5G high-speed boards, buried blind via boards, aluminum-based boards, HDI, and rigid-flex customized solutions.
Q2: What are the standard lead times for PCB prototypes and mass production?
Lead times depend on the layers. For example, 2-layer PCBs have a shortest lead time of 24 hours (3 days standard), while 4-layer and 6-layer boards range from 36-48 hours shortest to 5 days standard. Mass production typically ranges from 6 to 18 days depending on complexity and layers.
Q3: What CAD or Gerber formats do you accept for engineering reviews?
We accept standard industry formats, including RS-274-X, RS-274-D, CAD, DXP, Protel 99 SE, PADS, and GC-CAM files.
Q4: Can custom PCB orders be returned or refunded?
As PCBs are custom-made products, returns are not supported. For verified quality issues, we offer refunds or replacement products. Please note that we do not bear any extra losses or processing costs beyond the product value.
Q5: What shipping options are available for delivery?
We support global shipping through air transport (UPS, DHL, TNT, CTS, and FEDEX), railway cargo, seaborne logistics, or via any shipping method designated by the customer.
Q6: What quality standards do you conform to during manufacturing?
We strictly follow IPC standards and customer-specific specifications. Our quality management systems align with ISO 9001, ISO 14001, IATF16949, RoHS, REACH, UL, and CQC standards to guarantee reliable 100% test-passed products.

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