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//ISO 20168:2016

ISO 20168:2016

Name: ISO 20168:2016 — Resistance welding — Locking tapers for electrode holders and electrode caps
SKU: ISO 20168:2016
Price: 25 EUR
Availability: InStock

Resistance welding — Locking tapers for electrode holders and electrode caps

Название (английский):

ISO 20168:2016

Resistance welding — Locking tapers for electrode holders and electrode caps

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 4
Дата публикации:: 2 сентября 2016 г.
Издание:: ISO IS 20168 edition 1 version 1
ICS:: 25.160.20

Тип поставки:

Full version25 €Ask AI2 €Read online 24h10 €Read online 72h15 €

Язык документа:

ruen

Срок поставки:1 рабочий день

Цена:25 €

Описание (английский):

ISO 20168:2016 specifies the dimensions and tolerances for electrode holders and of spot welding electrode caps, where a locking taper is used.

Abstract

Overview

ISO 20168:2016 - Resistance welding - Locking tapers for electrode holders and electrode caps specifies the geometric dimensions and tolerances for spot‑welding electrode holders and electrode caps that use a (traditionally called a Fisher taper). The standard ensures consistent fit, interchangeability and reliable electrical/mechanical contact where the cap engages the holder.

Key topics and requirements

Scope: Defines dimensions and tolerances for electrode holders and spot‑welding electrode caps when a locking taper is used.
Locking taper definition: A taper that produces a tight fit between holder and cap; the standard notes the taper angle relationship (document reference: difference in taper angles as given in the standard) and shows the engagement point at the skirt of the cap.
Specified taper angles:
- Electrode holders: 2° 58′ 54″
- Electrode caps: 2° 56′ 53″
Dimension sets: Table 1 provides recommended dimensions (and recommended maximum electrode force depending on cap hardness) for commonly used nominal sizes - 13 mm, 16 mm and 20 mm.
Designation rules:
- Electrode holders: designated as ISO 20168 – [nominal diameter] (example: ISO 20168 – 20).
- Electrode caps: designated per ISO 5821 but prefixed with ISO 20168 to indicate a locking taper cap (example format shown in the standard).
Material and marking:
- Materials to be used are referenced to ISO 5182 (materials for electrodes and ancillary equipment).
- Packaging must be marked with full designation and material used.
Normative references include ISO 5182, ISO 5821 and ISO 17677‑1; bibliography cites related GPS and taper standards.

Applications

Standardizes manufacturing and inspection of spot welding electrode holders and caps for resistance welding equipment.
Ensures interchangeability of parts from different suppliers, reducing machine downtime and simplifying spare‑parts inventory.
Improves mechanical stability and electrical contact reliability in spot welding operations where a locking taper is used.
Useful for quality control, dimensional inspection, tooling design and procurement specifications.

Who should use this standard

Welding equipment and electrode cap manufacturers
Welding engineers, production and maintenance teams in automotive, appliance and metal fabrication industries
Quality assurance teams, purchasing/specification writers and standards/ compliance personnel

Related standards

ISO 5182 - Materials for electrodes and ancillary equipment
ISO 5821 - Spot welding electrode caps
ISO 17677‑1 - Resistance welding vocabulary (spot, projection and seam welding)

Keywords: ISO 20168:2016, resistance welding, locking taper, electrode holders, electrode caps, spot welding, dimensions and tolerances, welding standards, Fisher taper.

Технические детали

Технический комитет: ISO/TC 44/SC 6 - Resistance welding and allied mechanical joining
SKU: ISO 20168:2016

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