SKF VectoLub External minimal quantity lubrication systems

SKF VectoLub minimal quantity lubrication system The SKF minimal quantity lubrication (MQL) system offers a clean and inexpensive alternative solution for projecting oil in minimal quantities. It allows the projection of oil, with a viscosity of 10 to 400 mm2/s, in very small quantities, from 3 to 90 mm3/stroke. SKF VectoLub technology has already been proven for many years. It is based on a combination between very small doses of oil (3 to 90 mm3), powered by pneumatically actuated volumetric micropumps, and a flow of pressurised air called “carrier air”. The oil and the air are routed in parallel...

One system, two product ranges VTEC Unit Modular MQL unit that can have up to eight outlets • Modularity. Its modular construction allows the VTEC unit to be perfectly adapted to the application • Scaleability. It is possible at any time to add, or even change different modules • Versatility. A single VTEC unit can lubricate a variety of separate applications • Safety. Each outlet can be controlled and monitored independently VE1B Unit Compact MQL unit that can have up to four outlets • Savings. A less expensive alternative to the VTEC system • Size. Compact unit and small size for installing...

Description of VectoLub components General air solenoid valve (VTEC) • Air supply to unit control: – Control air for micropumps and – Carrier air • Controls the air for all slave modules (not equipped with general air solenoid valve) downstream • Solenoid valve only available for the VTEC range • It is fitted to a special base, index I (→ page 15) Control air solenoid valve (VTEC/VE1B) • Used alone: – Controls the micropump control air and thus the micropump beat frequency • Used with a pneumatic frequency generator: – Controls the micropump control air – The micropump beat frequency is managed...

Micropump, adjustment by thumbwheel The micropump is the main element of the SKF VectoLub system. It supplies oil to the lubrication points. To select the micropump, three criteria should be taken into account: • The flow rate • The setting mode • The material of the micropump The flow rate Two flow rates are available: • low flow rates: 3 to 30 mm3/stroke (adjustment by metering rings) or 10 to 30 mm3/stroke (adjustment by thumbwheel) • high flow rates: 30 to 90 mm3/stroke (adjustment by rings or thumbwheel) The flow rate is given in mm3 per stroke; the final flow rate, necessary for the application,...

VTEC Unit Description The VTEC unit is a modular unit. It is made up of one to eight different modules. Each module allows lubrication of a lubrication point using a micropump. The VTEC unit can jointly or independently control and monitor the lubrication of several lubrication points. The user can therefore manage different independent lubrication circuits with a single unit. The modular nature of the VTEC unit makes it possible to: • Lubricate 1 to 8 lubrication points with a single unit • Individually adjust the flow rate of a micropump corresponding to a lubrication point • Adjust the lubrication...

Operation When the VTEC unit is activated, it is supplied with pressurised air (5 to 8 bar maximum) and oil (0.1 to 0.5 bar). The oil circulates through the various bases and is conveyed to the pneumatically controlled volumetric micropumps. The beat frequency of each micropump (maximum 3 strokes/second) is adjusted independently, either by a pneumatic frequency generator or by a solenoid valve by means of a PLC. The flow rate of the micropump can be adjusted in two different ways, depending on the case: with metering rings or with an adjustment thumbwheel. The oil delivered by the micropump...

VTEC unit technical data General Number of modules Minimum air supply Air supply pressure 1 to 8 800 Nl/min (100 Nl/min per outlet) previously filtered dry air (5 μm) 5 to 8 bar Micropump flow rate Adjustment by rings (low flow rate) Adjustment by rings (high flow rate) Adjustment by thumbwheel (low flow rate) Adjustment by thumbwheel (high flow rate) Beat frequency Lubricant Effective viscosity (at temperature of use) Operating temperature Attachment rail General air solenoid valves (base I) Flow rate (at 6 bar) Power supply +428 +429 +924 Protection Type of installation plan Service life 950...

VTEC unit size air inlet, quick connect fitting for tube ext. Ø 8 mm oil inlet, quick connect fitting for tube ext. Ø 8 mm Operating manual For more information about the operation or the technical data of the VTEC unit you can consult the corresponding commissioning manual, reference 951-130-440.

Coding of a VTEC unit A VTEC unit is a modular unit that may comprise up to eight modules. The coding of a VTEC unit is carried out in three stages. You must indicate the electrical voltage required for the VTEC unit using the corresponding voltage code: • +924: 24 VDC • +428: 230 VAC, 50/60 Hz • +429: 115 VAC, 50/60 Hz 1/ Definition of the modules A lubrication module must be defined for each lubrication point. A module reference is made up of three letters, each corresponding to one of the module's components. To help you with your selection, you can refer to the table on the next page. • First...

Coding of the modules First character* base only base with frequency generator base with solenoid valve base with frequency generator + solenoid valve base with general air solenoid valve base only (controlled by base I) micropump with ring adjustment, stainless steel and brass, maximum flow rate 30 mm3/stroke micropump with thumbwheel adjustment, stainless steel and brass, maximum flow rate 30 mm3/stroke micropump with ring adjustment, stainless steel, maximum flow rate 30 mm3/stroke micropump with thumbwheel adjustment, stainless steel, maximum flow rate 30 mm3/stroke micropump with ring adjustment,...

Examples of VTEC units VTEC Unit • Unit for a single lubrication circuit with four lubrication points • The unit is put into operation by means of the general air solenoid valve • The operator controls the frequency of all micropumps with the pneumatic frequency generator • The operator can monitor the unit air pressure, as well as the carrier air pressure for each module • The flow rate of each micropump goes from 10 to 30 mm3/stroke, with continuous adjustment by thumbwheel • Coding: VTEC-IZM-BBM-ABM-ABM-ABM+_ _ _ • VTEC unit with five modules – 1st module: general air solenoid valve, pneumatic...