ASSAB H13 Precision Mould Parts Glide Gate Inserts / Sprue Bushes Nozzle Tips
Many plastics require an extremely precise processing temperature. If the temperature is slightly too warm, the material may be damaged. If the temperature falls too sharply, the plastic hardens and no longer flows optimally into the mold. Heat transfer in the hot runner nozzle is therefore essential.
Product Detail
| Material: | H13 |
| Hardness | 50-52HRC |
| Heat treatment | Available |
| Service | Made-to-order |
| Surface treatment | TiCN, TiN, TiALM, Ticrn, nitriding , Black oxygened, Black coating etc available |
| Closest tolerance | + - 0.05mm |
| Polishness | Ra0.6 |
| Axiality | 0.005mm |
| Verticality | 0.005mm |
To keep the plastic at the right temperature, the nozzle is externally heated using heating coils. Only at the very end - in the so-called nozzle tip - is no further heating equipment used. The heated nozzle itself must transfer the heat to the plastic. Consequently, the thermal conductivity of the material is crucial.
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