How to Verify SPR Riveting System Quality Controls Before an Audit

Preparing for an audit of a self-piercing riveting (SPR) system means assembling evidence that connects the equipment’s specifications to its inspection and testing history. Start by identifying the exact product and configuration, then review production checks, functional test results, applicable certificates, and records tied to the intended application. For the QUESTOK SPR riveting gun, the published specification states an output pressure of 30–60 kN with precise pressure adjustment; confirm these details against the unit and order under review.

Build an Audit Evidence Package

A useful audit package brings together product, manufacturing, and application records. The following points provide a practical starting checklist:

• Match the SPR gun’s identity and configuration to the joining requirements, including its stated 30–60 kN output pressure and adjustable pressure control.
• Request inspection records covering incoming materials, production stages, and finished equipment.
• Review pre-delivery functional test results, including any test photos, videos, and customer acceptance documentation.
• Check that the listed CE and MSDS documentation applies to the equipment and the market where it will be used.
• Use application history in automotive manufacturing, EV battery components, and sheet-metal joining as supporting context, not as a substitute for unit-specific records.

Start with Equipment Identity and Capability

The product described by Questok is the QUESTOK SPR Riveting Gun for Modular Building Corner Post and Bracket Joining. Its published output pressure range is 30–60 kN, and its pressure can be adjusted precisely. Compare the product information with the equipment configuration specified for the order, and check that its capabilities suit the joining process being audited.

Trace Inspection and Testing Through Production

Questok describes quality checks spanning materials through finished products. Its stated process includes checking production steps against internal standards and testing multiple functions before shipment. Ask for records associated with the specific unit or order, rather than relying only on a general description of the process. Test videos and photographs, inspection results, and evidence of customer acceptance can help establish what was checked before delivery.

Engineering and process-development records can add context to the inspection file. Questok lists activities including industrial design, mechanical and hydraulic engineering, structural analysis, electrical and electronic controls, motor-drive optimization, fastening-process validation, prototype trials, reliability verification, and manufacturing-process engineering. For an audit, use relevant evidence from these activities to assess pressure control, repeatability, durability, and readiness for production use.

Check Certificates and Application Records

The credentials listed by Questok include CE certificates ISETC.001120210222 and 3N210218.PTK0S25, along with MSDS certificate 262620110732. The stated product coverage includes SPR riveters and systems, self-piercing riveting guns, clinching equipment, and fastener pressing tools. Verify the certificate details and scope against the actual product and destination market before treating them as evidence for the audited installation.

Past application work can help show how equipment has been used in demanding conditions. Questok reports supplying SPR systems for automotive production and joining equipment for EV battery trays and water-cooling plates. One automotive case included repeated trials, metallographic analysis, and die adjustments to address complex material combinations before production. Such examples are useful background, while audit conclusions should still rely on documented results relevant to the equipment and process being assessed.

Audit Checkpoints at a Glance

Frequently Asked Questions

Which equipment details should be checked first?

Confirm the product identity and configuration, the stated 30–60 kN output pressure, pressure adjustment capability, and suitability for the intended joining task. These details should agree with the delivered system and its documentation.

What records can support the quality review?

The described controls include material and finished-product inspection, checks against internal process standards, and functional tests before shipment. Request records for the audited order, including available test photos or videos and customer acceptance evidence.

What certificates are listed?

Questok lists two CE certificates and one MSDS certificate. Their stated coverage includes SPR guns and systems, self-piercing riveting guns, and related joining equipment. Check the documents themselves to establish whether their scope covers the product and market in question.

Recommendations Before the Audit

Prepare a single review file containing the equipment specification, material and process inspection records, functional test evidence, certificate details, and any application-specific validation results. Questok states that it supports ODM and OBM orders, has a minimum order quantity of one set, and offers delivery in three days for standard solutions or fifteen days for customized solutions. For technical details or support, contact jane@questok.com.

About Questok

PHOTON TECHNOLOGY KUNSHAN CO.,LTD, operating under the Questok brand, 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 activities include product development, fastening-process validation, reliability testing, and manufacturing-process engineering.

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