A micro DC pompa vacua is the least glamorous part of a machine and the one that decides whether it feels solid or cheap. YCZX has built them since 2013, in two families: the VN series , single-head, 5–42 W on 12 V or 24 V; and the UV Series VN-D series, which adds a second head and, with it, positive pressure as well as vacuum.
1. Reading the VN-C1 label
Take the VN-C1 — brushless, single head, 12 V.
Two of those numbers are routinely misread. 15 L/min Flow is measured at free air; once the inlet is pulled down, flow falls to about a third near maximum vacuum. −80 kPa est un plafond à débit nul, non une pression que la pompe maintient pendant l’aspiration de l’air. Aucune des deux valeurs n’est trompeuse — ce sont simplement les deux points les plus faciles à mesurer et les deux moins utiles pour le dimensionnement.
2. Ce qui se trouve à l’intérieur de chaque unité
YCZX maintient quatre détails constants sur toute la gamme.
- Un rotor sur un arbre de longueur totale. Supporté sur toute sa longueur plutôt que en porte-à-faux, afin de rester centré à vitesse élevée — la différence entre un bourdonnement et un cliquetis au huitième mois.
- Ferrum motor Cylindre dans un boîtier en plastique technique. L’acier évacue la chaleur des enroulements ; le plastique forme le boîtier de la pompe et les faces de fixation.
- Orifices d’entrée et de sortie horizontaux, de sorte que le tube ne se plie pas au niveau de la connexion.
- A base that accepts any orientation — upright, on its side, or on a bracket.
The finish is black and silver, sandblasted, with a flying lead.
3. The UV-U3: what a second head buys
Two heads in parallel roughly double flow without doubling the footprint, and the paired ports let one unit run two suction lines — useful where two small fixtures cycle alternately. The exhaust side gives +350 kPa, enough for a blow-off or a small clamping circuit. The trade is honest: more current, an 850 g body that needs a real bracket.
4. Brushed or brushless, and four installation rules
Brushed is cheaper and fine for intermittent duty — minutes on, minutes off. Brushless changes three things: life (no brushes to wear), electrical noise (no commutator arcing next to sensors), and stability (speed holds as supply and load move).
Quattuor particularitates determinare utrum unitas in campo superstes sit: tubum ad portum adaptare (portus 6 mm tubum 8 mm OD accipiunt, portus 8 mm tubum 10 mm OD accipiunt); rubrum ad positivum, nigrum ad negativum; inlet filtrare, quia diafragmata pressionem sustinent sed non arenam; et exhaustum apertum relinquere, quoniam pressio retrograda silentio fluxum minuit.
5. Cum 10 W iam non sufficiant
YCZX stationem post pompam etiam construit. FVN-0063 recipiens 500 L, 3 kW, 126 m³/h ad −100 kPa, cum PLC touchscreen quae duas pompas 1.5 kW rotat et secundam incipit ubi postulatum crescit. FSH-5.5 est statio aqua-annularis in armario: 5.5 kW, 230 m³/h, −97 kPa.
Notare saltum unitatis: micro-pompae in L/min, stationes in m³/h. 126 m³/h est 2100 L/min — fere 140 unitates VN-C1. Nemo 140 micro-pompas pro linea emit; utraque pars simpliciter ab eodem officina venit.
6. Quattuor quaestiones, et quis post responsa stet
Omnia supra reducuntur ad quattuor quaestiones: quae fluxus pompae praebet ad vacuum vestrum operativum, utrum motor ad officium conveniat, utrum portus ad tubum congruat, et utrum unitas ad supervivendum installationi construatur. His responsis datis, pompae 10 W suum officium silentio per annos exequuntur.
YCZX aedificat utrumque extremum huius responsionis — pompas micro VN et UV , et stationes post eas — atque eas ad clientes in 155 nationibus suppeditat. Instrumenta ad officium vestrum specificata, et servitium quod post facturam continuatur: empta cum fiducia, tractata sine sollicitudine.
