GOST 19036-94 PDF
Name in English:
GOST 19036-94
Name in Russian:
ГОСТ 19036-94
Cylindrical worm gear pairs. Basic worm and basic generating worm
Full title and description
GOST 19036-94 — "Cylindrical worm gear pairs. Basic worm and basic generating worm" (ГОСТ 19036-94, Передачи червячные цилиндрические. Исходный червяк и исходный производящий червяк). The standard specifies geometry and tool (generating worm) definitions and basic dimensional/clearance requirements for cylindrical worm gear pairs.
Abstract
This intergovernmental standard establishes the basic worm and the basic generating worm (tool), the recommended radial clearances and key dimensional parameters for orthogonal cylindrical worm drives (various flank forms) with module range from 1 to 25 mm. It is intended to standardize mating geometry and testing/inspection references for manufacturing and interchangeability of worm gear components.
General information
- Status: Active / in force (adopted as an interstate standard and applied as a Russian national standard).
- Publication date: Designation year 1994; introduced into force 1 January 1997 (reissue April 2003 noted in official records).
- Publisher: Adopted by the Interstate Council for Standardization, Metrology and Certification (EASC) and issued as a national standard of the Russian Federation (implemented via national standards bodies).
- ICS / categories: ICS 21.200 — gears and gearings (mechanical transmissions / gears).
- Edition / version: Original designation 19036-94; introduced 1997; document shows a republication/reissue in April 2003 (no later replacement recorded in the cited sources).
- Number of pages: 8 pages (typical commercial/standards listings report 8 pages).
Scope
The standard applies to orthogonal cylindrical worm drives with the following flank/profile types: Archimedean (ZA), involute (ZI), straight-profile lead (ZN), cone-formed (ZK) and torus-formed (ZT). It establishes the basic worm profile and the basic generating worm (cutter), as well as recommended radial clearances for worm gear pairs with module from 1 mm up to 25 mm. It does not cover dividing/indexing worm assemblies or worm transmissions requiring special technical requirements.
Key topics and requirements
- Definitions and designation of basic worm and basic generating worm (tool) for manufacturing and inspection.
- Geometrical parameters for several worm flank/profile types (ZA, ZI, ZN, ZK, ZT).
- Specified module range: 1 mm to 25 mm.
- Recommended radial clearances (backlash) and measurement references.
- Normative references and cross‑references to related gear standards (for terminology and dimensional practice).
Typical use and users
Primary users are gear designers, gearbox and transmission manufacturers, toolmakers (manufacturing cutters for worm production), quality/inspection engineers and procurement/specification writers in mechanical, heavy machinery, automotive auxiliary drives and general power‑transmission industries. The standard is used where interchangeability and standardized geometry of cylindrical worm gear pairs are required. (Typical industrial applications and gear practice references for worm drives are found in gear technology sources and manufacturer catalogs.)
Related standards
GOST 19036-94 superseded (replaced) GOST 19036-81. It references other gear/terminology standards such as GOST 16530-83 for general gear terms and definitions and is one part of the family of GOST standards covering gear geometry, calculation and testing.
Keywords
worm gear, cylindrical worm, basic worm, generating worm, worm cutter, module 1-25 mm, radial clearance, ZA ZI ZN ZK ZT, GOST, gears, interchangeability
FAQ
Q: What is this standard?
A: An intergovernmental (GOST) technical standard that defines the basic worm (reference worm) and basic generating worm (tool) and sets dimensional/clearance requirements for cylindrical orthogonal worm gear pairs.
Q: What does it cover?
A: Geometry and reference/tool definitions for cylindrical worm drives (several flank/profile types), recommended radial clearances, and applicability for modules from 1 mm to 25 mm; it excludes specialized dividing/indexing worm transmissions.
Q: Who typically uses it?
A: Gear designers, gearbox manufacturers, toolmakers (cutter manufacturers), inspection and quality engineers, and procurement/spec authors in industries that design or buy standardized worm gear components.
Q: Is it current or superseded?
A: The standard (designation 19036-94) was adopted and entered into force on 1 January 1997 to replace GOST 19036-81 and is listed in commercial and national databases as the active document (reissued April 2003). Users should verify current national/regional status before application if strict legal/regulatory currency is required.
Q: Is it part of a series?
A: It forms part of the broader set of gear and transmission standards within the GOST family and cross‑references general gear terminology and dimensional practice standards (for example, GOST 16530 series and other GOSTs on gear calculation and testing).
Q: What are the key keywords?
A: Worm gear, basic worm, generating worm, cylindrical worm, module, radial clearance, gear profile (ZA/ZI/ZN/ZK/ZT), GOST.