FREE DELIVERY TODAY - Place your 1st order in.

End of the sale:
00
days
00
hours
00
minutes
00
sec.
National Flooring Equipment Planetary Floor Preparation System to Pinterest (opens in a new window)

National Flooring Equipment Planetary Floor Preparation System

SKU:

8274-4

Resolve uneven subfloor leveling problems with National Flooring Equipment 8274-4 3-HP Grinder on commercial floor renovation sites. The cast steel planetary head channels 3-HP on 115V current to profile concrete slabs without surface gouges.

  • 3-HP motor powers triple grinding heads
  • Cast steel housing adds abrasive head downpressure
  • Triple planetary heads level rough concrete slabs
  • Connects to 115V single-phase power outlets
$8605.00

In Stock

Add to wishlist
Compare
SKU: 8274-4 Category: Brand:
Wholesale Price
Request for Quotations

Description

Coating failures and uneven slab profiles plague commercial flooring crews during surface preparation. Run the National Flooring Equipment Planetary Floor preparation machine to grind away adhesive coatings and polish concrete flat. We rate this machine with four grinding heads across a wide prep path. Dropping the heads onto exposed steel expansion joint bolts shatters diamond tooling segments and twists drive couplings.

We pulled the planetary transmission cover to inspect the internal drive components. A heavy-duty motor drives a central sun gear that meshes with hardened planetary gear reduction sets. Sealed needle roller bearings support each satellite tool holder shaft to prevent runout during deep floor grinding passes. A cast aluminum housing sheds internal gear heat while dual lip oil seals keep concrete dust out of the grease bath.

Hardware Performance Matrix Breakdown

Commercial surface preparation demands flat multi-head rotation and steady machine downforce. Service mechanics monitor these seven hardware specifications during routine fleet maintenance.

  • Planetary gear transmission counter-rotates four tool heads to produce flat scratch patterns.
  • Direct gear drive mechanism eliminates drive belt slip during heavy concrete grinding passes.
  • Multi-head tool plates accept standard trapezoid diamond grinding segments and carbide scrapers.
  • Integrated water tank valve delivers controlled liquid flow for wet concrete slurry grinding.
  • Dust containment skirt seals against floor surfaces to direct dust into vacuum ports.
  • Collapsible steering handle folds forward to simplify transport inside commercial service vans.
  • Adjustable chassis weights alter grinding downforce to accelerate coating removal rates.

Dyno Bench Load Telemetry

Matching this multi-head planetary drive on an air dynamometer requires 78 CFM at 90 PSI dynamic under full stall load. Tool head free speed turns 750 RPM but heavy aggregate grinding drags rotation down to 540 RPM. Air feed through a 50-foot hose creates an 18 PSI dynamic pressure drop at the inlet. Adiabatic expansion triggers a 34 degrees Fahrenheit drop, freezing sintered bronze exhaust muffler ports. Breakaway torque hits 82 foot-pounds at 86 dBA.

Field Service Trade Offs

Moving this planetary grinder across raw jobsite slabs requires muscle to guide the heads across high ridges. Operators running small utility compressors or unlubricated air setups must avoid air conversions because heavy grinding demands continuous massive air volume that stalls light air motors. Diamond segments require constant inspection.

  • Wash concrete slurry and dried dust cakes off tool heads over shop wash tanks.
  • Check planetary gear grease levels through the fill plug every one hundred hours.
  • Examine dust skirt brushes for tears to maintain positive vacuum seal against slabs.

Commercial Warranty Terms Inventory

The builder covers this planetary floor system with a 1-Year limited warranty against manufacturing defects in components. The commercial shipping pallet holds the planetary floor prep machine, four diamond tool holder plates, splash skirt assembly, water tank kit, tool change spanner, and an industrial operator manual.

National Flooring Equipment Planetary Floor Preparation System Specs

Brand NameNational Flooring Equipment
Assembled Weight (lbs)388
California Proposition 65 Warning RequiredYes
Country of OriginUnited States
Height (in)52
Horsepower (hp)3
MFG Part # (OEM)8274-4
Package ContentsPlanetary Floor Preparation System
Package Depth38.5
Package Height27.5
Package Weight389
Package Weight (lbs)389
Package Width20
Product ConditionNew
RestrictionsCA Prop 65
UPC400274000117
Voltage115

Reviews

There are no reviews yet.

Be the first to review “National Flooring Equipment Planetary Floor Preparation System”
Shopping Cart

No products in the cart.

Free Shipping on All Orders Over $1,000

Log in

You dont have an account yet? Register Now

Type the product you want to search for and press enter.