Friction
11times
lower friction coefficient after revitalizant treatment
Friction machine, disc–pad pair, 304 h
Revitalization · Research
Research and documents
Scientific studies and industrial trials with measurements and references to real test reports.
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Records: 28
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Confirmed by measurements
Key results
Four results from test certificates and laboratory reports
Gearbox teeth
+0.1…0.7mm
growth in tooth thickness: about 50 certificates; without revitalizant treatment the teeth wear
Electric locomotive VL-80K No. 1809, 300,000 km, pairs with and without revitalizant treatmentTo the record
Microhardness
2.8times
harder friction surface of the cylinder liner than the base metal
Diesel cylinder liner after ~2000 h, average of 5 pointsTo the record
Hardened layer
up to20-30µm¹
hardening depth, with hardness rising gradually from the base metal to the friction surface
The same liner, cross-section of the friction surfaceTo the record
Section 01·11 records
Gearboxes and gear drives
Tooth thickness, vibration, drive current: railways, metallurgy, mining equipment, manufacturing
KT6EL compressors and traction gearboxes of VL-8/VL-80K electric locomotivesWith a control
+0.15…+0.70mmtooth thickness after revitalizant treatment over 92,000–363,000 km
−0.15…−0.75mmwithout revitalizant treatment on the same locomotives
Change in gear tooth thickness over the run, mm
After revitalizant treatment+0.25…+0.35
Without revitalizant treatment−0.35…−0.60
−0.8 mm0+0.8 mm
Calculated layer on each tooth flank¹125-175 µm
After revitalizant treatment+0.15…+0.70
Without revitalizant treatment−0.15…−0.75
−0.8 mm0+0.8 mm
Calculated layer on each tooth flank¹75-350 µm
After revitalizant treatment+0.30…+0.55
Without revitalizant treatment−0.20…−0.35
−0.8 mm0+0.8 mm
Calculated layer on each tooth flank¹150-275 µm
KT6EL compressors: change found on disassembly, %
cylinder ovality, VL-8 No. 9790.07–0.15 → 0.03–0.076 mm−52 %
cylinder ovality, VL-80K No. 18090.05–0.09 → 0.01–0.02 mm−79 %
crankshaft bearing clearance, VL-8 No. 9790.12–0.15 → 0.08–0.10 mm−33 %
−100 %0 %
ChS-2 and ER1 gearboxes: tooth thickness grew, and the gain holds for years
+0.3…0.85mmtooth thickness after a single gel fill, without disassembly
323,000kmmileage over which the gain held (ChS-2 No. 377)
Growth in tooth thickness, mm
85,000 km+0.35…+0.50
238,000 km+0.35…+0.60
323,000 km+0.30…+0.60
0 mm+0.9 mm
section No. 1+0.65…+0.80
section No. 3+0.75…+0.85
0 mm+0.9 mm
Gear drives and a compressor: treated teeth gained thickness, control teeth wore (Bulgaria)With a control
+0.07average for the treated gear: the thickness was preserved
−1.71average for the control gear: wear at all 14 points
Change in tooth thickness of the large gear at 14 measuring points
After revitalizant treatmentby point −0.15…+0.40average +0.07
Without revitalizant treatment (control)by point −2.04…−1.12average −1.71
−2.20+2.2
Difference in the average1.78
BK-450, TsDN-630, 200/20 and VS-23 gearboxes: thicker teeth, lower vibration
+0.15…0.65mmtooth thickness over 426–635 h, without disassembly, on heavily worn gearboxes
Growth in tooth thickness, mm
BK-450, shaft pinions+0.30…+0.65
200/20 extruder, gears+0.35…+0.50
VS-23, gear and pinion+0.20…+0.30
TsDN-630, stage I and II gears+0.15…+0.25
0 mm+0.8 mm
Gear drives and couplings at KGGMK Krivorozhstal: the tooth body built up
+0.05…0.95mmtooth body thickness over 300–450 h
−33%radial clearance of the hammer bearing
Change in size, mm
gear couplings No. 3 and No. 9+0.80…+0.90
N-483 worm pair+0.45…+0.95
SPTs-2 herringbone gear+0.40
compressor gearbox+0.05…+0.10
−0.2 mm0+1 mm
cylinder wall (built-up layer)+0.20…+0.42
radial bearing clearance0.15 → 0.10 mm−0.05
−0.2 mm0+1 mm
TsDN-710 gearboxes and EKG-10 No. 7 drives: metal built up without disassembly
+0.3…1.6mmtooth thickness over 350–450 h without disassembly; before treatment, pitting covered 80–85 % of the surface
Growth in tooth thickness, mm
TsDN-710, stage 1+0.9…+1.6
TsDN-710, stage 2+0.9…+1.3
other gear drives+0.3…+1.2
conveyor No. 1-1+0.35
0 mm+1.8 mm
TRKP and EUK-160-1M undercar generator drives: the tooth built up without disassembly and held a year and a half later
2-3 timeslonger gearbox bearing life before failure
+0.2…0.3mmtooth thickness without disassembly, still held after 1–1.5 years
Service life before failure, months
bearings, before treatment6–7
bearings, after14–18
splines, before treatment7–8
splines, after18
0 mo20 mo
Tooth thickness: 3.70–3.90 → 4.00–4.10 mm, with a drawing size of 4.15 mm and a rejection limit of 3.66 mm.
BelAZ 7512 and Caterpillar 789 gearboxes: teeth and axles gained metal
+0.70…0.75mmplanetary gear tooth thickness over 350–996 engine hours
+0.9mmthrust bearing roller
Growth in size, mm
planet gear, BelAZ 7512+0.70
central pinion shaft, BelAZ+0.75
sun gear, Caterpillar 789+0.75
0 mm+1 mm
thrust bearing roller+0.90
axle seat+0.30
0 mm+1 mm
Raceways in the sun gear: diameter smaller by 0.4–0.6 mm, metal built up on the raceway.
Gravel bowl gearboxes: the teeth built up metal
2.3-3.8 timesshallower pitting on the tooth contact patches
+0.1…0.5mmtooth thickness over 255–260 h
Pitting depth, mm
before treatment0.5–1.5
after0.15–0.5
0 mm1.6 mm
Growth in tooth thickness, mm
bowl No. 1+0.10…+0.30
bowl No. 2+0.15…+0.50
0 mm+0.6 mm
Dryer group gearboxes No. 5 and No. 6: thicker teeth, lower vibration and current
+0.05…0.1mmtooth thickness over 695–704 h
Growth in tooth thickness, mm
gearbox No. 5+0.05…+0.10
gearbox No. 6+0.05…+0.10
0 mm+0.2 mm
Lift worm gearbox: a worn pair returned to service without replacement
−22%worm play over 400 h on a drive with 100 % wear
Worm play in the mesh, degrees
before treatment36°
after28°
0 °40 °
Section 02·5 records
Machine tools and spindles
Spindle accuracy, vibration, current draw
16K20, TV-320 and 3B151 machine tools: higher spindle accuracy, lower drive power draw
4.7-6 timeslower ovality of a part ground on the 3B151
−25…−50%spindle runout and play
Change after treatment, %
3B151, grinding0.014–0.018 → 0.003 mm−79…−83 %
IZh 1I611PF-1, turning0.006 → 0.003 mm−50 %
−100 %0 %
TV-320−50 %
16K20−33…−50 %
IZh 1I611PF-1−25…−30 %
−100 %0 %
Gearbox gear teeth: +0.05…0.1 mm, the backlash in the mesh decreased.
Metal-cutting machine tools of shop No. 16 (FED): accuracy restored without disassembly and maintained
1.5-2 timeslower spindle runout after 10–23 months
−30%radial play of the spindle bearings, on average
Change after 10–23 months, %
spindle runout−33…−50 %
part roughness RaRa 2.2–2.25 → 1.18–1.65 µm−27…−46 %
spindle bearing playby 0.01–0.03 mm−30 %
−60 %0 %
16K2F3 and 1M63N lathes: more accurate parts, lower current on both machines
4 timeslower ovality and taper of the machined part
+0.1…0.7mmgearbox tooth thickness over 400 h
Change over 400 h, %
ovality, 1M63N0.03 → 0 mm−100 %
taper, 1M63N0.13 → 0.03 mm−77 %
ovality, 16K2F30.04 → 0.01 mm−75 %
roughness Ra, 1M63N−26 %
−100 %0 %
runout and radial play−50…−75 %
bearing clearances, ball screw, axial play−6…−50 %
−100 %0 %
16A20 and 1K62D lathes: the spindle runs more accurately and quietly, the drive draws less
3-4 timeslower spindle runout and play on the 16A20
Change over 727–739 h, %
spindle runout and play, 16A20−67…−75 %
spindle runout and play, 1K62D0…−50 %
roughness Ra, 1K62DRa 5.2 → 4.2 µm−19 %
−100 %0 %
3U131V and BHU-25 spindles: lower vibration and current, higher grinding accuracy
2-5 timesbetter part roundness on all four grinding machines
Roundness deviation of the part, mm
before treatment0.004–0.01
after0.002
0 mm0.01 mm
On all machines after treatment0.002 mm
Section 03·3 records
Compressors and pumps
Delivery, clearances, motor current
402VP4/220 compressor: higher delivery, lower current
−54…−57%piston–liner clearance over 200 h
0.1-0.2mmlayer on the stage V cylinder, per the commission's conclusion¹
Clearance, mm
before treatment0.35
after0.15–0.16
0 mm0.4 mm
before treatment0.25
after0.15–0.16
0 mm0.4 mm
TV-176/1.6 air blower: bearing play in the unit and the electric motor decreased
−39…−67%radial bearing play over 450 h, with 94 % of the service life used up
Radial bearing play, %
unit, rear0.18 → 0.06 mm−67 %
electric motor, front0.16 → 0.06 mm−63 %
unit, front0.28 → 0.17 mm−39 %
−80 %0 %
Vacuum pump electric motor: untreated units kept the same currentWith a control
−10…−11%motor current after revitalizant treatment, over 20 days
0%in the untreated control group
Change in phase current over 20 days, %
After revitalizant treatment30 / 28 / 28 → 27 / 25 / 25 A−10…−11 %
Untreated (control)30 / 28 / 28 A0 %
−12 %0 %
Section 04·3 records
Bearings and joints
Clearances, friction torque, grease life
ChME3 body ball supports: template clearance smaller, larger on the control supportWith a control
−23…−44%support clearance after revitalizant treatment
+29%clearance of the control support without revitalizant treatment
Change in support clearance by template over ~55,000 km, %
front, after revitalizant treatment1.45–1.50 → 0.80–0.85 mm−44 %
rear left, untreated (control)0.30–0.32 → 0.38–0.42 mm+29 %
−50 %0+50 %
Treated support vs control−44 % / +29 %
front, after revitalizant treatment0.20–0.22 → 0.14–0.18 mm−24 %
rear, after revitalizant treatment0.10–0.12 → 0.06–0.07 mm−41 %
−50 %0+50 %
rear, after revitalizant treatment0.22–0.25 → 0.16–0.20 mm−23 %
−50 %0+50 %
04-80063YuTS-KhD instrument rolling bearings: friction torque several times lower than on the standard greaseWith a control
3.5 timeslower friction torque with XADO grease than with the standard grease
Average friction torque, g·cm
XADO Zashchitnaya-60K grease0.75
Standard ERA F grease2.61
0 g·cm3 g·cm
Friction torque lower by3.5 times
Tractor driveshaft: the specified service life on a single grease fillWith a control
up to 0.04mmtrunnion wear over 502 h on a single fill of grease with revitalizant
up to 0.09mmon Litol-24 topped up every 40 h
Wear of the trunnion side faces of the cross-pieces over 502 h, mm
Grease with revitalizant, a single fill0…0.04
Litol-24, every 40 h0.01…0.09
0 mm0.1 mm
Maximum wearhalf as much
Section 05·6 records
Engines and fuel injection equipment
Laboratory reports: cylinder liners, bearing shells, plungers, bench tests
Effect of the technical condition of precision pairs on the quality and reliability of diesel fuel injection equipment (doctoral thesis abstract)
+56%maximum pressure of the injection pump section
+42%hydraulic tightness of the plunger pair
BOSCH injection pump plunger pairs over 21 h, %
pressure Pmax33.75 → 52.63 MPa+56 %
hydraulic tightness16.3 → 23.1 s+42 %
plunger roughness Ra0.140 → 0.111 µm−20 %
delivery non-uniformity3.2 → 3.03 %−5 %
−25 %0+60 %
The plunger diameter grew by 1–2.5 µm.
Test report on the performance of revitalizant, No. 2001ZX/FDJ-15
−59%CO in the exhaust at idle
2hof running without oil, after which power and torque did not drop
CA4GE engine after treatment, %
CO at idle0.87 → 0.36 %−59 %
HC at idle169 → 139 ppm−18 %
minimum specific fuel consumption−2.7 %
torque, after 2 h without oil+1.1 %
−60 %0+15 %
Bench tests of revitalizant on CA4GE and CA4G22 petrol engines
100minwithout oil: no scuffing or seizure, compression preserved
−50…−86%hydrocarbons (HC) in the exhaust
Change after treatment, %
CO−70 %
HC−50 %
compression+3 %
−90 %0+15 %
CO−22…−29 %
HC−50…−86 %
specific fuel consumptionup to −9 %
−90 %0+15 %
Effect of revitalizant on friction surfaces. Report No. 3: diesel cylinder liner, Shengli oilfield
2.8 timesharder friction surface of the liner than the base metal
Ra 27nmfriction surface after ~2000 h: almost a mirror
Microhardness, HV
friction surface1185
liner base metal430
0 HV1250 HV
near the surface1097
deeper724
deeper still574
near the base metal441
0 HV1250 HV
Increased hardness¹up to 20-30 µm
Effect of revitalizant on friction surfaces. Report No. 4: engine cylinder liner (Zibo)
7 timeslower roughness of the liner friction surface
+62…+97%friction surface microhardness
Microhardness, HV
near BDC506
middle442
near TDC416
liner base metal257
0 HV550 HV
Roughness Ra, µm
untreated1.5
friction surface0.21
0 µm1.6 µm
Laboratory tests of the modified layer on water pump bearing shells
4 timesharder zone of the working surface with embedded particles
2-4 timeslower roughness than on the untreated shell
Working surface microhardness, HV0.01
zone with embedded particles101
zone without particles24
0 HV110 HV
Roughness Ra after 2832 h, µm
untreated shell2.02
treated, zone with particles0.54–0.87
0 µm2.2 µm
The archive holds 356 more records: company certificates and institute studies. Their originals and analysis are available on request.
Sources and limitations
¹ Coating thickness and the depth of gradient diffusion depend on the design of the specific unit and its operating conditions, the materials of the friction pair (steel, cast iron, aluminium alloys, etc.), the initial wear, the operating conditions during and after treatment, the revitalizant dosage and the number of repeat treatments.
² In the Chinese reports of 2001–2002, XADO revitalizant appears under the local trade name Moshen (摩圣) and the designation PBC; documents of those years also use the earlier name of the technology, RVS. This page uses the word “revitalizant” throughout.
A layer measured in micrometres and tooth growth measured in tenths of a millimetre describe different phenomena and do not add up on one scale.
Documents
Need the original?
Originals of the certificates and reports are available on request. Results on industrial equipment, with detailed case cards, are collected at industry.xado.com.
Industrial practiceindustry.xado.com: results on real machineryDemonstrationthe bearing experiment and a sample requestQuestions and answershow revitalizant works and what to expect
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