The PARMI SigmaX L stands as one of PARMI’s flagship inline 3D SPI platforms, purpose‑built to monitor solder paste printing quality immediately after the stencil printer inside SMT assembly lines. Originating from South Korea, this pre‑owned unit carries the well‑known RSC‑VII shadow‑free dual‑laser triangulation sensor, which forms the core of its measuring performance.

Why choose the SMT SPI Machine ？

Unlike older generation 2D SPI units that only capture planar images and get confused by PCB surface finishes such as HASL, OSP, different substrate colours or reflective solder pads, the SigmaX L collects genuine 3D height data for every printed pad. It quantifies solder paste height, area, volume, offset and shape while simultaneously tracking real‑time PCB warpage across the full board surface. Z‑axis dynamically adjusts during scanning to keep measurement accuracy stable even on heavily warped substrates, with a compensation range up to ±5 mm (2% board dimension).

Running on standard single‑phase 220 V power supply and requiring stable compressed air of 0.5±0.1 MPa, this inline SPI fits straight into existing SMT production workflows. Every used PARMI SigmaX L SPI we supply has completed full mechanical overhaul, sensor calibration, software validation and real‑PCB testing before shipment. Integrating this machine allows manufacturers to catch printing‑related defects at the earliest process step, preventing large‑scale reflow‑stage rework and lowering overall production cost.

What real‑world benefits does SigmaX L bring to SMT workshops?

Shadow‑free dual‑laser RSC‑VII sensor technology

Dual laser projection removes blind spots and shadow artefacts, delivering repeatable readings even on fine‑pitch pads, highly reflective surfaces and multi‑colour PCBs.

Real‑time PCB warpage tracking plus automatic Z‑axis compensation

Instead of static fixed‑height scanning, the system continuously follows board deformation, maintaining consistent measuring accuracy across warped or twisted circuit boards.

Complete multi‑dimension solder paste measurement portfolio

Inspects paste volume, height, area, X‑Y offset, bridging, insufficient paste, excess paste, missing paste and smeared paste shape on each pad. It also captures PCB shrinkage and warpage data for process review.

Built‑in closed‑loop feedback & feed‑forward system

Closed‑loop feedback sends printing offset and rotation correction signals back to upstream stencil printers. Feed‑forward passes offset, rotation and bad‑mark information downstream toward component mounters to improve placement precision.

Rich embedded software ecosystem for quality analytics

Comes with SPIworksPro main inspection UI, SPCworksPro statistical reporting, DefectAnalyzerPro log tracing, RMCworks remote multi‑machine management and the patented Printer‑Doctor diagnostic tool for root‑cause analysis of printing failures.

Standard SMEMA‑compliant inline conveyor and CE certification

Auto‑width‑adjust conveyor matches mainstream SMT line specifications. Minimal modification is needed when adding this SPI into running production lines.

Technical parameters

Item	Specification
Model	PARMI SigmaX L
Equipment Type	Inline 3D Solder Paste Inspection System
Measuring Principle	Shadow‑Free Dual‑Laser Optical Triangulation (RSC‑VII Sensor)
Scan Speed	60‑100 cm²/sec
X‑Y Resolution	10 × 10 μm
Height Resolution	0.1 μm
Height Accuracy	2 μm (on certified reference target)
PCB Warpage Compensation	±5 mm (2%)
PCB Dimension	Min:50×50 mm; Max:580×510 mm
PCB Thickness	0.4‑5.0 mm
Machine Dimension (W×D×H)	950 × 1365 × 1510 mm
Weight	900 kg
Power Supply	220V, Single‑Phase, 50/60Hz
Full‑Load Current	15 A
Pneumatic Requirement	0.5±0.1 MPa
Main Software Suite	SPIworksPro, SPCworksPro, Printer Doctor
Certification	CE

FAQ Guide

PARMI SigmaX L is deployed right after stencil printer. It measures solder paste height, volume, area and offset, so printing defects can be detected before component placement, avoiding massive downstream reflow defects.

It uses PARMI‑developed RSC‑VII shadow‑free dual‑laser triangulation sensor. Dual‑laser setup reduces shadow interference that often triggers false readings on fine‑pitch pads and complex PCB finishes.

Yes. While scanning, the sensor head tracks board deformation continuously and adjusts Z‑axis height dynamically, preserving measurement accuracy even on warped PCBs up to ±5 mm deformation.

Yes, our pre‑owned PARMI SigmaX L unit is stored in‑warehouse. Customers are welcome to schedule real‑board testing on‑site before confirming purchase.

Closed‑loop feedback sends correction data back to the stencil printer for offset and rotation adjustment. Feed‑forward shares print‑quality data with downstream chip mounters. PARMI SigmaX L supports both functions when connected to compatible upstream and downstream SMT equipment.

We deliver remote online technical support and long‑term spare‑parts supply. Overseas on‑site installation, commissioning and operator training can be arranged at additional cost.

PARMI Xceed L 3D AOI machine Overview

This used PARMI SigmaX L SPI captures printing defects at the very front‑end of SMT workflow, stopping faulty boards before component placement happens. Its integrated SPC reporting, closed‑loop process feedback, and the patented Printer‑Doctor diagnostic tool give process engineers clear visibility into printing‑process variation, supporting data‑driven stencil, squeegee and print‑parameter optimisation.
Fully CE‑compliant and designed for inline integration, the machine connects seamlessly into new or existing SMT production lines. For electronics manufacturers seeking to upgrade solder‑paste inspection capability under controlled capital expenditure, this pre‑calibrated used PARMI SigmaX L 3D SPI represents a practical, high‑value process‑control option.

Our Brand

SMTLINK specializes in the SMT‑DIP industry and offers customized SMT‑DIP equipment services for diverse requirements. Since its establishment in 2010, all products have passed multiple quality inspections for reliable performance.

Our products are well‑sold across provinces and cities in China as well as numerous overseas countries, earning wide recognition from customers.

The company has built a comprehensive after‑sales system. A professional technical team responds promptly to requests, providing on‑site installation, commissioning, fault repair and long‑term technical consultation to guarantee stable production in all respects.

Frequently Asked Questions

Are your equipment compatible with mainstream brand SMT equipment accessories?

All accessories for our equipment are available. For some special models, it is necessary to confirm the interface and parameters in advance, and we can provide technical docking and adaptation solutions.

How to quickly troubleshoot when the equipment reports an abnormal error?

It is recommended to first check the power supply, air source, line connection and emergency stop switch status according to the equipment manual; record the error code and contact technical support, and we will provide remote diagnosis and processing guidance based on the error code.

What is the equipment warranty period? What services are provided during the warranty period?

The standard warranty period for new complete machines is 12 months, and the core components implement corresponding warranty policies according to product models. During the warranty period, free fault maintenance, replacement of parts (excluding man-made damage) and remote technical support are provided. The warranty period for used equipment is 3 months.

Do you provide on-site installation, commissioning and training?

Free on-site services are provided for domestic customers, and paid on-site services are provided for overseas customers. After the equipment is delivered, we will arrange professional engineers to complete on-site installation, commissioning and precision calibration, and conduct systematic training on equipment use, daily maintenance and basic fault handling for operators.

Does the equipment support customized functions/non-standard modification?

Yes. We can provide customized solutions according to the customer’s SMT production line layout, process requirements and production capacity needs, including structural modification, function expansion, software upgrade, etc., with the technical team providing full-process docking and evaluation.

How to maintain SMT equipment after the warranty period? Is the supply of accessories stable?

For equipment beyond the warranty period, paid maintenance and service are available. Our company provides long-term stable supply of original and high-quality alternative accessories to ensure that stable accessory support can still be provided within a certain period after the model is discontinued.

Do you provide remote technical support? What is the response time?

Yes. Multiple remote service methods such as telephone, video and remote control are supported. The normal response time on working days is no more than 2 hours, and expedited technical support can be provided in case of emergency.

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PARMI SigmaX L 3D Solder Paste Inspection System

PARMI SigmaX L 3D SPI for sale