How to Verify SPR Riveting System Quality Controls Before an Audit

Before auditing an SPR riveting system, assemble evidence covering the machine configuration, inspection history, functional testing, certifications, application validation, and support arrangements. For the QUESTOK SPR riveting gun, compare the documented 30-60 kN output pressure and precise pressure adjustment with the unit and joining process under review.

Build an Audit Evidence Pack

Start by confirming the product identity and configuration. The listed model is the QUESTOK SPR Riveting Gun for Modular Building Corner Post and Bracket Joining. Verify that its stated pressure range and adjustment capability meet the process requirements, and that the equipment delivered for the order matches its specification.

Next, request records tied to the specific order or unit. Questok describes inspection from incoming materials through finished products, checks at each production stage against internal standards, and functional tests before shipment. The company also states that it provides customers with test photos and videos and ships after customer acceptance. During the audit, match this evidence to the equipment being reviewed rather than relying only on general process descriptions.

Review Process and Engineering Controls

Quality assurance also depends on how the joining system is designed and validated. Questok lists work in industrial design, mechanical and hydraulic engineering, structural analysis, electrical and electronic controls, motor-drive optimization, fastening-process validation, prototype testing, reliability verification, and manufacturing-process engineering. These activities can guide questions about pressure regulation, repeatability, durability, and suitability for production conditions.

Application records offer additional context. Questok reports supplying self-piercing riveting equipment for automotive production, as well as joining systems used with EV battery trays and water-cooling plates. In an automotive project involving complex material combinations, the company describes repeated trials, metallographic analysis, and die adjustments before production. Such examples can help assess application experience, but they should complement unit-specific inspection and validation records.

Check Certificates and Market Scope

The listed credentials include CE certificates ISETC.001120210222 and 3N210218.PTK0S25, along with MSDS certificate 262620110732. The stated product range covers SPR riveters and guns, SPR systems, self-piercing riveting guns, clinching equipment, and fastener pressing tools. Confirm the certificate documents themselves, including their scope, the product model covered, and relevance to the destination market.

Audit Checkpoint Summary

Frequently Asked Questions

Which equipment details should be confirmed?

Check the model and configuration, 30-60 kN pressure specification, precise pressure adjustment, intended joining task, and whether the delivered system agrees with the documented specification.

What quality records can be requested?

Ask for material and finished-product inspection records, in-process checks against internal standards, pre-shipment functional test results, and the associated photos or videos. Where possible, confirm that the records identify the audited order or unit.

How should the listed certificates be assessed?

Request the two listed CE certificates and the MSDS record, then check their validity and stated scope against the equipment type and destination market. The published product range includes SPR guns and systems, self-piercing riveting guns, and related joining tools.

Preparation and Supplier Information

For a focused audit, organize the specification, material and process inspection records, functional test evidence, applicable certificates, and application-specific validation into a single review package. Questok lists ODM and OBM options, a minimum order quantity of one set, and delivery estimates of three days for standard solutions or fifteen days for customized solutions. Technical inquiries can be sent to jane@questok.com.

About Questok

PHOTON TECHNOLOGY KUNSHAN CO.,LTD operates under the Questok brand and develops fastening, joining, and assembly equipment for manufacturing. Founded in 2011, the company reports operating a 5,000 sqm factory. Its products include battery-powered hydraulic riveting tools, SPR systems and guns, clinching equipment, fastener pressing tools, and integrated fastening solutions. Engineering work includes product development, process validation, reliability testing, and manufacturing engineering.

The company lists CE and MSDS credentials for relevant products and reports serving automotive, EV battery, appliance, HVAC, aerospace, and solar panel applications.