3+1 – THREE „THICK“ ONES AND A „THIN“ ONE

GUIDE PILLARS FROM KNARR

Guide pillars are used to centre the two mould halves when the mould is closing. The pillars, which are usually placed at the nozzle side of the mould, are often installed according to the 3 + 1 specification. Three elements of a larger diameter and one pillar of the smaller diameter prevent incorrect assembly of the mould halves.

Different pillars are used depending on the mould and application. The decision whether to choose versions with or without a centring collar or with or without a fitting diameter is often based on experience. As an option, DLC-coated pillars are available as standard, which are particularly suitable for dry running.

We have summarized the standard types below:

GUIDE PILLARS

Article	Treatment	Centring collar	Fitting diameter	DLC	Guiding system
551000	hardened	x	x		14 – 42 mm
551000DLC	hardened	x	x	x	14 – 42 mm
551010	hardened		x		14 – 42 mm
551010DLC	hardened		x	x	14 – 42 mm
51100	hardened	x			9 – 52 mm
51003	hardened				9 – 62 mm

Locating sleeve

Article	Ø	L
50020	14	20 – 100 mm
	20	30 – 160 mm
	26	30 – 180 mm
	30	40 – 240 mm
	42	40 – 300mm
	54	60 – 320 mm
	66	80 – 320 mm

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FLAT GUIDINGS