Category: Products

Groth Kunststofftechnik relies on KNARR for demoulding complex parts When it comes to demoulding complex undercuts, mould makers often use multi-level tools. The mould makers at Groth in Vlotho rely on the high-quality latch locks from...

Transport lock for ejector set The primary function of transport locks is, of course, to protect moulds during transport. The moving parts in particular might cause shocks and vibrations that can lead to inaccuracies or even serious...

Screw and sealing plug with O-ring NEW: Stainless steel version with high temperature restistant O-ring In order to avoid distortion of the plastic part, a homogeneous temperature balance in the mould is crucial. The positioning of the...

Eye bolts for all applications Lifting & rigging accessories at KNARR Eye bolts are used when large loads are moved.The ring or eye bolt owes its name to the ring-shaped eyelet. As so-called lifting and rigging equipment, they establish...

Your roadmap to individual venting Venting solution for flat ejectors, shouldered ejector pins and ejector sleeves KNARR’s manufacturing techniques also enable the new venting variant for other areas of ejection technology such as flat...

The next generation of venting Mould optimisation through cavity venting Often, air or gasses are produced during the injection moulding process that must not be trapped in the cavity under any circumstances. Otherwise, cavities are created...

Sprue holding pins Different types available Regardless of the type of sprue holding pin used, there is a standardised undercut at the end of the shaft. With its help, the solidified plastic is retained in the sprue runners. This ensures...

SALE 2024 / 2025 01.10.2024 – 28.02.2025 As the year is coming to an end, take your chance to increase your process reliability! Our date stamps with latching function will make a direct contribution. Unintentional movements of the...

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...

FreeLub bushings also in Ø40 mm The recirculating ball bushing has long since replaced the previous ball guide unit – consisting of a bushing and a roller cage. The small installation space, a very high load capacity and unlimited stroke...