DIN 6370-1957 Clamping Devices Machine Vices Capacities Mating Dimensions Permissible Variations Jaws《夹紧装置 机床用虎钳，夹紧范围，配合尺寸，允许偏差，虎钳》.pdf

1、C 4 c ; o V Flatness of bearing surface Slide guide parallel to bearing surface Slide guide parallel to longitudinal dot Fixed jaw parallel to cross slot Cross slot square to longitudinal slot when checked with a standard square (seeDIN875) Jaw faces square to bearing surface when checked with a sta

2、ndard square (see DIN 875) Jaw faces parallel, Sliding jaw square to bearing surface when checked with a standard square (aee DIN 875) with the vice tightened (tendency of slide to lift) Length of mandrel not less than b r Y 1 Jaw6 parallel when vice is clamped (tendency of slide to cant) rn 3 o ic

3、C .- E 3 Permissible error 0.02 0.02 based on a separa- bfe ing points Eamr- o. I based on a eepara- tion of 100 mm between the measuring points and a load of I5 ke on the handle supplied c .- E L C .- r P; i a E! O f X: 621.881.2 DEUTSCHE NORMEN February I Fixtures Machine Vices Capacities Companio

4、n Dimensions Permissible Errors Jane EN 1 6370 Spannzeuge; Haschinenschraubstcke, Spannbereich, AnschluBrnaBe, zulssige Abweichungen, Spanabac Dimensions in mm Che illustrations are diagrammatic only and are not intended to inicate details of design. Che dinensione and permissible errors laid dom in

5、 this Standard apply to all existing types of pichine vice and cover both the oompreasion-olampiq and tension-clamping types. Lachine Vices Longitudinal sl 1st Designation of a machine vice of jaw width b = 100 mm with capacity, companion dimensions ami permissible errors to DIN 6370: Machine vice I

6、00 DIN 6370 COPYRIGHT DIN DEUTSCHES Institut Fur Normung E.V.- EnglishLicensed by Information Handling ServicesPage 2 DIH 6370 Jam - Deeignation of a Jaw of width b 160 mm: Jaw 160 DM 6370 l) The tolerances approximate to the values of 2 1/2 IT 13 Material: Steel, hardenable Pinish: Hardened, Rockwe

7、ll hardness HBC = 56 2 2 Jaw faces smooth, ground flat Permissible error in paralleliem = 0.01 based on a separation of lo0 u between the measuring points Exlanations This Standard deals with machine vices M used primarily in connection with milling, planing and shaping machines. As a result of cons

8、ultation between users and manufacturers, tho following principles have been observed: 1. No curtailment of types 2. No fixing of constructional dimensions for complete machine vicar 3. Standard slot width of 20 mm H 7, conforming to DIN 6322, for all sizes of machine vice 4. Standardization of perm

9、issible errors for those surfaces which determine the position of the rice and of the workpiece 5. Standardisation of jaw dimensions 6. Standardized recomaendations for material and finiih To each jaw width or rico siso there is allocated a minimum capacity w. As far as jaw heights U. concerned, tol

10、erancing CM be dispensed with, since for the more accurate classes of work the top surfaces of the jawo are ground as necessary. The same jaw is specified in each case for both the base and the slide, that is to say for both the fixed and sliding jaws. The bottom faca of the jaw is chamferod on both

11、 sido so that the mdn faces can be used alternatively as a bearing face or a clamping face. “he .screw hole centres in tho jais and in the vice bodies and slides are toleranced to ensure interchweabilitj of jais within the rice itself and with jaws for the same size of rice made by the same or by a

12、different manufacturer. Interchangeability of vice jawo is particularly important when special-purpose Jaws having the dimensions recommended are intended not only for use in rioes of the type described, but also for the widest possible adoption in all types of vice and clamping device including, for example, those in which the clamping action is brought about by cams or by hydraulic power. jaws are used. COPYRIGHT DIN DEUTSCHES Institut Fur Normung E.V.- EnglishLicensed by Information Handling Services