• standard colour of the iron-cast base
    RAL 9006 white aluminium
    other colour tones according to RAL on request
  • special electro-plating
    for the iron-cast bases and levelling screws in nickel or chrome, stainless steel levelling screws on request
  • levelling screws are supplied with the following accessories
    2 x nut DIN 934 / ISO 4032
    1 x washer DIN 125 / ISO 7089
    1 x washer DIN 9021 / ISO 7093
    from thread size M24 upwards
    2 x nut DIN 934 / ISO 4032
    2 x washer DIN 125 / ISO 7089

  • optional ( at extra charge )
    assembly of the levelling screws with the nuts and washers
    individual packaging of levelling elements in quick-lock mechanism bags
    customized article labelling

  • type R ST with elastomer board NBR 5514 applications: passive isolation e.g. for metrology equipment, scales, dosage units and optical devices; elastomer surface smooth, without tread pattern

    descriptionarticle number(mm)h1(mm)h2(mm)h3(mm)G(thread)shorehardness (±5 Shore)load (daN)
    6R ST NBR55147023 00017013210025M1255100
    7R ST NBR55147033 00018813310025M1655150
    10R ST NBR55147043 000111513610029M1655250
    13R ST NBR55147053 000114513810032M1655500
    16R ST NBR55147063 000116514110034M2055800
    20R ST NBR55147073 000122519615039M20551800

    length specification h2 of the levelling screws relates to the net thread length

  • type R ST with elastomer board NBR 5518 applications: passive isolation e.g. for metrology equipment, scales, dosage units and optical devices; elastomer surface with tread pattern - higher insulation effect as compared to type with NBR 5514

    descriptionarticle number∅ (mm)h1 (mm)h2 (mm)h3 (mm)G(thread)shorehardness (±5 Shore)load (daN)
    6R ST NBR55187023 00027013610029M1255100
    7R ST NBR55187033 00028813710029M1655150
    10R ST NBR55187043 000211514010033M1655250
    13R ST NBR55187053 000214514210036M1655500
    16R ST NBR55187063 000216514510038M2055800
    20R ST NBR55187073 000222520015043M20551800

    length specification h2 of the levelling screws relates to the net thread length

  • type R ST with elastomer board NBR 7516 applications: damping / insulation e.g. for highly dynamic machinery, presses, shears, punches, compressors and pumps; elastomer surface with tread pattern

    descriptionarticle number(mm)h1(mm)h2(mm)h3(mm)G(thread)shorehardness (±5 Shore)load (daN)
    6R ST NBR75167023 00037013310026M1275250
    7R ST NBR75167033 00038813410026M1675400
    10R ST NBR75167043 000311513710030M1675700
    13R ST NBR75167053 000314513910033M16751200
    16R ST NBR75167063 000316514210035M20751500
    20R ST NBR75167073 000322519715040M20752500

    length specification h2 of the levelling screws relates to the net thread length

  • type R ST with elastomer board NBR 7525 applications: damping / insulation e.g. for highly dynamic machinery, presses, shears, punches, compressors and pumps; elastomer surface with tread pattern - higher insulation / damping effect as compared to type with NBR 7516

    descriptionarticle number(mm)h1(mm)h2(mm)h3(mm)G(thread)shorehardness (±5 Shore)load (daN)
    6R ST NBR75257023 00047014310036M1275250
    7R ST NBR75257033 00048814410036M1675400
    10R ST NBR75257043 000411514710040M1675700
    13R ST NBR75257053 000414514910043M16751200
    16R ST NBR75257063 000416515210045M20751500
    20R ST NBR75257073 000422520715050M20752500

    length specification h2 of the levelling screws relates to the net thread length

  • type R ST with elastomer board NBR 8516 applications: damping of e.g. general ( CNC ) machine tools, textile machines, graphic machines and machines with horizontal thrust; elastomer surface with tread pattern

    descriptionarticle number(mm)h1(mm)h2(mm)h3(mm)G(thread)shorehardness (±5 Shore)load (daN)
    6R ST NBR85167023 00057013310026M1290300
    7R ST NBR85167033 00058813410026M1690500
    10R ST NBR85167043 000511513710030M16901000
    13R ST NBR85167053 000514513910033M16901700
    16R ST NBR85167063 000516514210035M20902000
    20R ST NBR85167073 000522519715040M20903000

    length specification h2 of the levelling screws relates to the net thread length

  • type R ST with elastomer board NBR 8525 applications: damping of e.g. general ( CNC ) machine tools, textile machines, graphic machines and machines with horizontal thrust; elastomer surface with tread pattern - higher damping effect as compared to type with NBR 8516

    descriptionarticle number(mm)h1(mm)h2(mm)h3(mm)G(thread)shorehardness (±5 Shore)load (daN)
    6R ST NBR85257023 00067014310036M1290300
    7R ST NBR85257033 00068814410036M1690500
    10R ST NBR85257043 000611514710040M16901000
    13R ST NBR85257053 000614514910043M16901700
    16R ST NBR85257063 000616515210045M20902000
    20R ST NBR85257073 000622520715050M20903000

    length specification h2 of the levelling screws relates to the net thread length

  • type R ST with elastomer board NBR 9014 applications: damping of e.g. machining centres, transfer units, ( CNC ) machine tools, circular- and flat grinding machines, long-bedded machines with low intrinsic rigidity, drilling and milling devices; elastomer surface smooth, without tread pattern

    descriptionarticle number(mm)h1(mm)h2(mm)h3(mm)G(thread)shorehardness (±5 Shore)load (daN)
    6R ST NBR90147023 00077013310026M1290300
    7R ST NBR90147033 00078813410026M1690500
    10R ST NBR90147043 000711513710030M16901000
    13R ST NBR90147053 000714513910033M16901700
    16R ST NBR90147063 000716514210035M20902000
    20R ST NBR90147073 000722519715040M20903000

    length specification h2 of the levelling screws relates to the net thread length

schematic drawing of a round levelling element made of cast iron, with a non-pendulum levelling screw with a counter flat hexagonal nut at the bottom end, placed on top of the cast iron corpus, with the corpus and levelling screw tightly connected to each other against falling apart, and elastomer for vibration damping at the bottom, in the side view and the view from the top

length specification of the levelling screw relates to the net thread length h2

descriptionnet thread length mm
M8on request
M10100, 150, 200, 250
M12100, 150, 200, 250
M14on request
M16100, 150, 200, 250
M18on request
M20100, 150, 200, 250
M24100, 150, 200, 250
M30100, 150, 200, 250

further net thread lengths on request

Special thread lengths, alternative electro-plating with nickel or chrome, threads with special fine pitch, stainless steel levelling screws or special materials on request.

Custom solutions and modifications as per customer’s request are possible any time, owing to our high internal manufacturing depth ( CNC and conventional ).

iron-cast components

  • according to DIN EN ISO 8062-3 DCTG 10 -/- manufacturing tolerance: according to ISO 2768-mk
  • materials: EN GJL 200 / EN GJL 250

elastomers

  • shore-hardness A measurement: according to DIN 53505 or rather DIN ISO 7619-1
  • tolerances for dimensions with tool-form based elastomer parts according to DIN ISO 3302-1, class M3
  • materials: NBR 55° / 75° / 90° ±5 shore A, dimensional tolerance ±1 mm

threads / levelling screws

  • according to DIN 976 -/- manufacturing tolerance: according to ISO 2768-mk
  • materials: steel blank 4.8 - steel zinc-coated 4.8 - stainless steel A2

 

Technical modifications subject to change!

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a square, silver-lacquered levelling element made of cast iron, with a non-pendulum zinc-coated levelling screw with a counter flat hexagonal nut at the bottom end, placed on top of the cast iron corpus, with the corpus and levelling screw tightly connected to each other against falling apart, and black elastomer for vibration damping at the bottom, isolated on white background

type V ST

thread non-pendulum

more

Contact

bwz Schwingungstechnik GmbH
Felix-Wankel-Strasse 31
D-73760 Ostfildern/Nellingen
Germany

tel:   +49 711 / 340 179 0

e-mail: info@bwz-schwingungstechnik.de