Keys DIN are only in packing units of 50 pieces for each size and length available. Material. Features and applications. Standard Elements. Description. Material: Steel or stainless steel Version: Bright. Drawings. Overview of items. Parallel keys DIN A. Order No. Main material. B. The parallel keys to DIN are available ex stock in all DIN dimensions. We produce Manufacturer: nosta. Standard: DIN Data sheet (PDF)Contact.
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View Account▹ · Home; DIN Preview Secure PDF. ℹ Add to Cart. Printed Edition + PDF; Immediate download; $; Add to Cart. Parallel keys, stainless steel. DIN A. –. –. –. –. –. –. –. –. –. Page | Modification standards. DIN Keyway, key details. Extract Page 1 heavy type d b P9 / JS9. Hub keyway b P9 / N9. Shaft keyway h t1 = d + t2 t2.
This comparison shows the borderline cases in which overaire is possible if the parts being mated are unfavourably disposed in the tolerance bands.
Tolerances differing from them must be specially indicated. In many cases.
The correlation of parallel key cross-sections to coned shaft ends and the dimensions for the keyway depth are to be taken from the standards dealing with coned shaft ends.
For sliding fits.
In this case the designation reads. This onesided position of the key is intended to make it easier to lift.
Appropriate examples of designations are included. DIN Part 1 Page 5 k The counterbores for retaining screws have been chosen according to the "medium" range of DIN 74 Part 2 because the previous "close" range was often not sufficient.
Drive Type Fastenings without Taper Action; Parallel Keys, Keyways, Deep Pattern
Types N1 and N2 represent the conventional forms of keyway. In the future.
DIN and DIN are to have standard head diameters and they are therefore optional alternatives aa retaining screws. Type N3 arises when the keyway is made by a keyway cutter having a diameter smaller than the keyway width such as is widely used on special keyway milling machines.
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DIN 6885 C - plain - Parallel keys, deep pattern
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Anonymous s6xbqCpvSW. As a result of this, however, the inter- changeability of the parallel keys is either not jeopardised at all, or is only at risk in a few border- line cases which are unlikely to arise in practice.
The Table below compares the keyway depths previously specified with the new ones.
This comparison shows the borderline cases in which overaire is possible if the parts being mated are unfavourably disposed in the tolerance bands. This appliea only to parallel keys with back clearance. Appropriate examples of designations are included. Reference has also been made to the fact that the position and number of holes must be agreed where applicable.
Keyway and key details
This onesided position of the key is intended to make it easier to lift. The previously specified hub keyway depths with oversise have been re-calculated on the basis of the shaft keyway depths modified according to the ISO proposal so that the oversises necessary for final fitting are restored. Since the specified tolerances the normal type, and not - as previously - as a guideline. Tolerances differing from them must be specially indicated.
The weight deduction for Type A has been corrected for certain slses.
DIN Part 1 Page 5 k The counterbores for retaining screws have been chosen according to the "medium" range of DIN 74 Part 2 because the previous "close" range was often not sufficient - owing to the close fit in the through hole to compensate for the toleranclng of the centre distances when two retaining screws are used.At the same time, the permissible variations and machining allowances on the shaft and hub bore are to be taken into account as appropriate.
Garapati Murarji. Karthikeyan Shanmugavel. Karlos Quintana. Type N3 arises when the keyway is made by a keyway cutter having a diameter smaller than the keyway width such as is widely used on special keyway milling machines.
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