linear system - Profilex sa
linear system - Profilex sa linear system - Profilex sa
PRECISION SHAFTSFitting tolerances for steel shafts(Diameter tolerances) per DIN ISO 286-2Up to 6 mm: h6Hard chrome plated variant: h7For SM linear bearings of high-precision applications: g6Special tolerances, e.g. f7, are available upon request.Shaft Diameters Tolerance Tolerance Tolerance Toleranceø mmcategoryh7categoryh6categoryg6categoryf73 +0/-10 +0/-6 -2/-8 -6/-163 - 6 +0/-12 +0/-8 -4/-12 -10/-226 - 10 +0/-15 +0/-9 -5/-14 -13/-2810 - 18 +0/-18 +0/-11 -6/-17 -16/-3418 - 30 +0/-21 +0/-13 -7/-20 -20/-4130 - 50 +0/-25 +0/-16 -9/-25 -25/-5050 - 80 +0/-30 +0/-19 -10/-29 -30/-6080 - 100 +0/-35 +0/-22 -12/-34 -36/-71INTERESTING FACTS• Rust- and acid-resistant steels are often denoted "ROSTFREI" (rust-proof) in Germany. From ametallurgical standpoint, however, there are basically no 100% rust-proof steels.• The stainless steels used by MiniTec can be designated as corrosion-resistant. It is primarily due tothe alloy components such as the high percentage of chromium and nickel that steels can be calledstainless steel.• These steels can still corrode (rust), for instance if the chromium percentage is low. Corrosion canalso appear in spots if e.g. base metal (ferritic) portions lie on the surface. At these points, spots ofpit corrosion can appear.Furthermore, surface corrosion can occur if base materials are in the immediate vicinity and a highproportion of ferritic components are transferred to the stainless steel (for instance due tomoisture), resulting in surface corrosion (flaking rust), which is generally only on the surface andcan easily be removed using rust protection oil.• When working so-called rust- and acid-resistant steels with base metal tools (e.g. HSS steel tools),tool wear can also result in a base metal layer of tool residue on the steel surface, which can lead tosurface corrosion later. At MiniTec, however, ceramic or fully hardened metal (VHM) tools are used,largely circumventing this effect.• MiniTec precision steel shafts are protected by anti-corrosion oil. The protective material must beremoved before installation.Note: The infeed and outfeed zone (at the beginning and end of each fabrication length) of about 200mm are NOT to dimension and NOT hardened!MINITEC LINEAR SYSTEM 105
PRECISION SHAFTSTECHNICAL DATA3. Chemical and Physical CharacteristicsSteel type Physical properties / application Chemical propertiesMaterial Designa- Application Tensile Breaking Carbon Silicon Mangan- Phosphor Chrom- Molyb- Surfacenumber tion strength elongation ese ium denum hardness[N/mm 2 ] [C] [Si] [Mn] (P) (Cr) [Mo] [HRC]Tempered steel1.1213 CF53 Standard *740-880 - 0,50- 0,15- 0,40- 0,025 - - 57-62shafts, 0,57 0,35 0,70 **65-70hard chromeplated1.3505 100Cr6 Miniatur - - 0,95- 0,15- 0,25- 0,025 1,40- - 60+2shafts, 1,10 0,35 0,45 1,60hollowshafts1.7225 42CrMo4 special mat- *1100-1300 *10 0,38- ≤ 0,40 0,60- 0,035 0,90- 0,15- 53-61erial with 0,45 0,90 1,20 0,30increasedcore strengthRust- and acid-resistant steels*1.4043 X46Cr13 corrosion- ≤ 800 - 0,43- 1,00 1,00 0,04 12,5- - 52-54resistant 0,50 14,5shafts1.4112 X90CrMoV18 corrosion- ≤ 835 - 0,85- 1,00 1,00 0,04 17,00- 0,90- 55-57resistant 0,95 19,0 1,30shafts1.4125 X105CrMo17 corrosion- ≤ 915 - 0,95- 1,00 1,00 0,04 16,00- 0,40- 57-60resistant 1,20 18,0 0,80shafts*Source for chemical and physical properties -> steel guide (*values for steels up to Ø 16 mm),** Chromium layer106 MINITEC LINEAR SYSTEM
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PRECISION SHAFTSTECHNICAL DATA3. Chemical and Physical CharacteristicsSteel type Physical properties / application Chemical propertiesMaterial Designa- Application Tensile Breaking Carbon Silicon Mangan- Phosphor Chrom- Molyb- Surfacenumber tion strength elongation ese ium denum hardness[N/mm 2 ] [C] [Si] [Mn] (P) (Cr) [Mo] [HRC]Tempered steel1.1213 CF53 Standard *740-880 - 0,50- 0,15- 0,40- 0,025 - - 57-62shafts, 0,57 0,35 0,70 **65-70hard chromeplated1.3505 100Cr6 Miniatur - - 0,95- 0,15- 0,25- 0,025 1,40- - 60+2shafts, 1,10 0,35 0,45 1,60hollowshafts1.7225 42CrMo4 special mat- *1100-1300 *10 0,38- ≤ 0,40 0,60- 0,035 0,90- 0,15- 53-61erial with 0,45 0,90 1,20 0,30increasedcore strengthRust- and acid-resistant steels*1.4043 X46Cr13 corrosion- ≤ 800 - 0,43- 1,00 1,00 0,04 12,5- - 52-54resistant 0,50 14,5shafts1.4112 X90CrMoV18 corrosion- ≤ 835 - 0,85- 1,00 1,00 0,04 17,00- 0,90- 55-57resistant 0,95 19,0 1,30shafts1.4125 X105CrMo17 corrosion- ≤ 915 - 0,95- 1,00 1,00 0,04 16,00- 0,40- 57-60resistant 1,20 18,0 0,80shafts*Source for chemical and physical properties -> steel guide (*values for steels up to Ø 16 mm),** Chromium layer106 MINITEC LINEAR SYSTEM
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